EP4294902A1 - Compositions de nettoyage solides pour toilettes et cuvette de toilettes - Google Patents

Compositions de nettoyage solides pour toilettes et cuvette de toilettes

Info

Publication number
EP4294902A1
EP4294902A1 EP22705865.8A EP22705865A EP4294902A1 EP 4294902 A1 EP4294902 A1 EP 4294902A1 EP 22705865 A EP22705865 A EP 22705865A EP 4294902 A1 EP4294902 A1 EP 4294902A1
Authority
EP
European Patent Office
Prior art keywords
weight
composition
biocide
composition according
dispersant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22705865.8A
Other languages
German (de)
English (en)
Inventor
Kapim Kumar BAGGA
Zuzanna Maria KINDLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reckitt Benckiser Health Ltd
Original Assignee
Reckitt and Colman Overseas Hygiene Home Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reckitt and Colman Overseas Hygiene Home Ltd filed Critical Reckitt and Colman Overseas Hygiene Home Ltd
Publication of EP4294902A1 publication Critical patent/EP4294902A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/835—Mixtures of non-ionic with cationic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0094—Process for making liquid detergent compositions, e.g. slurries, pastes or gels
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2079—Monocarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/008—Polymeric surface-active agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/62—Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the present invention relates generally to solid toilet bowl and lavatory cleaning compositions, the kit, and the processes for manufacturing the same.
  • BACKGROUND There are a variety of cleaning compositions that have been described in the art for cleaning hard surfaces located in bathrooms such as toilet bowls, bathroom tiles and floors. Such compositions are typically combinations of an acidic component, a dye and fragrance that are flushed with water to produce their desired aesthetic, cleaning, disinfecting, and deodorizing effects.
  • a lavatory cleansing block comprising a solid carrier base which is a mixture of two or more nonionic surface active agents, one of which is relatively insoluble in water and the other of which is relatively soluble in water.
  • Suitable relatively water insoluble nonionic surface-active agents are the mono and dialkanolamides of long chain fatty acids and polyalkoxylated fatty alcohols containing up to 6 moles of alkoxide.
  • This lavatory block of may optionally include perfume, dyestuff, germicide, and fillers, the latter being for example, a water softener such as an alkali metal polyphosphate.
  • No.4,460,490 which is herein incorporated by reference discloses a freestanding lavatory cleansing block that comprises a shaped body formed of a slow dissolving cleansing composition containing a surface-active agent and a tablet comprising a bleaching agent embedded in or adhered to the shaped body.
  • U.S. Pat. No.5,336,427 describes a solid lavatory cleansing tablet containing a surfactant, a germicide agent or an oxidizing agent and fillers which comprises a stabilizer selected from the group consisting of mineral oil, silicone fluids and polybutene in an amount from about 0.1 to 8% by weight of the composition.
  • U.S. Pat. No. 7,053,039 describes compositions in compressed form for cleaning and/or disinfecting hard surfaces.
  • At least one aspect of the present invention is directed to solid lavatory cleaning compositions that facilitates longer contact times with the internal surfaces of the toilet bowl containing a dispersant system, a thickener system, a non-ionic surfactant system, and a biocide material system, in powder and/or tablet forms that provides a viscosity ranging between 80 to 2000 cP when reconstituted with water or a suitable solvent.
  • the solid composition of the present invention is for cleaning hard surfaces and may comprise; (a) from between 20% to about 75% by weight of a dispersant system; (b) from 5% to 20 % by weight of a thickener system; (c) from 1% to 25% by weight of a surfactant system, preferably between 2% to about 12% by weight; and (d) from 2 % to 50 % by weight of a biocide system.
  • the thickener may be a hydroxypropyl guar gum having a molecular weight average between 500,000 to 5,000,000 Daltons.
  • the composition according to such embodiment when mixed with suitable solvent achieve a viscosity ranging between 80 to 2000 cP; 80 cP to 650 cP; 90 cP to 450 cP; and preferably between 120 cP to 350 cP in 5 to 30 minutes after the mixing with said solvent.
  • the solid cleaning composition according to the present invention may contain (a) from about 28% to about 45% by weight of a dispersant system; (b) from about 10.5% to about 15.5% by weight of a thickener system; (c) from about 7% to about 12% by weight of a surfactant system; and (d) from about 3% to about 45% by weight of a biocide system.
  • the biocide system may be the combination of a biocide material and a biocide auxiliary ingredient.
  • the thickener is a non-ionic thickener and may be a hydroxypropyl guar gum.
  • the non-ionic surfactant system is ethoxylated alcohols C 12 -C 20 and the biocide system comprises quaternary ammonium-based biocides.
  • the composition of the present invention may contain (a) from 30% to 35% by weight of a dispersant system; (b) from 11.5% to 13.5% by weight of a thickener system; (c) from 7% to 12% by weight of a surfactant system; and (d) from 4% to 43% by weight of a biocide system.
  • the biocide system is a combination of biocide and an auxiliary biocide ingredient.
  • the thickener is a 2- hydroxypropyl guar gum having a molecular weight average between 500,000 to 5,000,000 daltons.
  • the non-ionic surfactant system is ethoxylated alcohols C 12 -C 20 and the biocide system comprises quaternary ammonium-based biocides.
  • the composition of the present invention consists essentially of (a) from 30% to 35% by weight of a dispersant system; (b) from 11.5% to 13.5% by weight of a thickener system; (c) from 7% to 12% by weight of a surfactant system; and (d) from 4% to 43% by weight of a biocide system.
  • the biocide system is a combination of a biocide material in amount of about 4% to 5% by weight and 30% to about 35% of an auxiliary biocide ingredient.
  • the thickener 2-hydroxypropyl guar gum In some embodiments, the non-ionic surfactant system is ethoxylated alcohols C 12 -C 20 and the biocide system comprises quaternary ammonium-based biocides.
  • the composition optionally comprises any one of a dye, solid binder, suitable fillers, anti-caking agent, pH modifiers, acid regulator or any mixtures thereof.
  • a composition according to the present invention has less than 5% water content. In other composition, a composition according to the present invention is substantially free of water.
  • the present invention is lavatory powder compositions containing (a) about 31% by weight of a dispersant; (b) about 13% by weight of a thickener; (c) about 9% by weight of a non-ionic surfactant; and (d) about 4.4 % by weight of a quaternary ammonium biocide material.
  • the powder composition further contains citric acid, trisodium citrate, an oil-based fragrance, and a dye.
  • the citric acid is present in amount of about 31% by weight of the composition.
  • the viscous composition is free of any other cationic, anionic or amphoteric surfactants.
  • the non-ionic surfactant system is ethoxylated alcohols C 12 -C 20 .
  • the solid composition is in the form of a powder, compacted powder or a compressed tablet and is wrapped or encapsulated in a water soluble, an insoluble film or a moisture-controlled packaging.
  • the composition is in the form of compacted powder form or compressed tablet wrapped in a water-soluble film and moisture-controlled packaging.
  • the solid composition has a weight ranging from about 0.5 g to about 500 g.
  • the solid composition is in the form of a powder or a compressed tablet having a weight ranging from about 5 g to 100 g.
  • the composition is in form of a powder or compressed tablet having a weight of about 25 g or 50 g.
  • the solid composition is in the form of a tablet, and the concentration of the dispersant ranges from between about 25% to about 35% weight percent.
  • the concentration of dispersant in a tablet composition may range between ranges from about 50% to about 70% weight percent.
  • the concentration of the dispersant ranges from 58% to about 65% by weight.
  • the concentration of dispersant in a powder composition may range between 25% to 35% by weight.
  • compositions of the present invention contain at least one dispersant wherein such dispersant is an alkali metal or alkali earth metal inorganic salts including but not limited to alkali metal and earth metal chloride or sulfate salts.
  • the dispersant may be selected from the group consisting of sodium chloride, potassium chloride, potassium sulfate, trisodium citrate, calcium chloride, magnesium sulfate, magnesium chloride, and mixtures thereof.
  • the dispersant system includes other alkali metal and earth metal salts such as borates, bromides, citrates, acetates, lactates salts including magnesium citrate, calcium citrate, sodium citrate, trisodium citrate, or sodium acetate
  • compositions according to the present invention have a pH of between 3 and 9.
  • the tablet compositions may have a pH between 6 and 9, and in other embodiments, the pH may be between 7.5 and 8.5, measured at 20°C.
  • the powder formulation has a pH ranging between 3-6, and in a more preferred embodiment, the pH of the powder composition is between 3.5 to 4.5 at 20°C.
  • the compositions of the present invention contain at least a first thickener selected from the group consisting of a guar gum, a xanthan gum, a diutan gum, sodium alginate or any combinations thereof.
  • the thickener is a highly branched polymer with the addition of hydroxypropyl groups or other hydroxypropyl substituted of natural guar gum.
  • the thickener is a 2-hydroxypropyl guar gum, carboxymethyl hydroxypropyl- substituted guar gum or a combination thereof having a molecular weight ranging between 500,000 to 5,000,000, 750,000, to 4,000,000, preferably between 900,000 to 2,500,000 and more preferably between 1,000,000 to 2,000,000 g/mol (or 1 and 2 million Daltons).
  • the guar gum is non-ionic, highly purified hydroxypropyl guar gum such as 2-hydroxypropyl guar gum.
  • the guar gum may be a carboxymethyl guar gum.
  • the composition can further contain a second thickener with the proviso that when the first thickener is a guar gum, a xanthan gum, diutan gum, sodium alginate, the second thickener is not any such first thickener.
  • the total concentration of the thickener or the thickeners ranges in the composition is from about 5% to about 20% weight percent. In other embodiments, the concentration of thickener(s) ranges from about 7.5% to about 15% weight. In other embodiments, the concentration of the thickener(s) ranges from 11.5% to about 13.5% by weight.
  • the thickener is present in about 13% weight.
  • the compositions of the present invention contain at least one non-ionic surfactant, which can be a block copolymer based on a polymeric ethoxy/propoxy units (i.e. Pluronics ® such as Pluronic ® F108, F88), blends of ethoxylated fatty alcohols (e.g. Rhodasurf ® TB-970 FLK; CAS No.668526-94-3), polyethylene glycol (PEG) or any other non- ionic surfactant in any form, solid, powder, liquid, suspension, gel, paste or the like.
  • a non-ionic surfactant can be a block copolymer based on a polymeric ethoxy/propoxy units (i.e. Pluronics ® such as Pluronic ® F108, F88), blends of ethoxylated fatty alcohols (e.g. Rhodasurf ® TB-970 FLK;
  • the total concentration of the non-ionic surfactant may range from about 1% to about 25% weight percent. In other embodiments, the concentration of non-ionic surfactants may range from about 1.5% to about 17.5% weight. In other embodiments, the concentration of the non-ionic surfactant ranges from 2 % to about 15% by weight. In some embodiments, the non-ionic surfactant ranges from 7% to about 12% by weight.
  • the non-ionic surfactant may be composed of triblock PEO–PPO–PEO copolymers of poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) (Pluronic, oxirane, methyl-, polymer with oxirane ), a polyethylene glycol (PEG) or a combination thereof.
  • the non-ionic surfactant is Pluronic ® F108, Pluronic ® F88, PEG or any combinations thereof.
  • the non-ionic surfactant may be Pluronic ® F108 or Pluronic ® F88 at concentrations ranges from 10 % to about 12.5 % by weight.
  • the non-ionic surfactant may be a PEG, in liquid or powder form. In other embodiments, the non-ionic surfactant is a blend of ethoxylated fatty alcohols C 12 - C 20 (e.g. Rhodasurf ® TB-970/FLK) in amounts of about 9% by weight. In certain embodiments, the composition may be substantially free of any other anionic surfactant. In some embodiments, the viscous composition is free of any other cationic, anionic or amphoteric surfactants. In certain embodiments, the biocide system of the compositions of the present invention contain at least one biocide or an antibacterial material that is selected from quaternary ammonium-based biocides.
  • the biocide material includes n-alkyl dimethyl benzyl ammonium chloride, n-alkyl, dimethyl ethyl benyl ammonium chloride alone or in combination as provided under the BTC® 2125M series by Stepan.
  • the quaternary ammonium biocide having at least one alkyl chain having a length of C 12 -C 18 , more preferably a mixture of C 12 -C 14 , with concentration of C 12 ranging between 5% to about 70% by weight, and concentrations of C14 ranging between 30-70% by weight, preferably between 60-68% by weight or any combinations thereof.
  • the total concentration of the biocide system in the instant composition is in the range of between 2% to about 50% by weight.
  • the total concentration of biocide materials is in the range of 4 to 15% by weight.
  • the biocide is BTC 2125M P40 by Stepan or any liquid BKC (e.g.
  • the biocide is BTC 2125M P40 at concentrations of 4%, 6% or 11% by weight.
  • the biocide system further comprise an auxiliary biocide ingredient.
  • the auxiliary biocide ingredient can be any of citric acid, NAC, or formic acid.
  • the composition according to the present invention is in the form of a powder and the biocide is a combination of n-alkyl dimethyl benzyl ammonium chloride, n- alkyl, dimethyl ethyl benzyl ammonium chloride.
  • the concentrations of the quartnary ammonium biocide material is 4%, 4.4%, 6% or 6.6% by weight of the composition.
  • the composition according to the present invention is in the form of a powder and the biocide is a combination of n-alkyl dimethyl benzyl ammonium chloride, n-alkyl, dimethyl ethyl benzyl ammonium chloride in total amounts of about 4.4% by weight.
  • the quaternary ammonium biocide when diluted to provide a viscous composition, may be present in amounts ranging between 0.17% or 0.35% by weight.
  • the biocide system may include an auxiliary biocide material that would enhance the bactericidal activity of the composition.
  • the auxiliary biocide material is a weak organic acid.
  • the organic acid is citric acid present in 25% to 45% by weight.
  • the auxiliary agents are present in amounts ranging between 30% to 35% by weight.
  • the biocide auxiliary agent is acetic acid, citric acid or formic acid in powder form.
  • the biocide auxiliary agent is citric acid in amount of about 31% by weight of the composition.
  • the citric acid when the composition is diluted in suitable solvent, is present in amount of about 1% to about 4%, and preferably in amount of about 1.19% to about 2.38% by weight.
  • the present composition may include one or more additional ingredients selected from the group consisting of dyes, fragrances, chelating agents, anti-caking agent, acid modifier, anti-bacterial agents, preservatives, pH modifiers, bitterness flavorants, or absorbants.
  • the present invention is directed to an article of manufacture for lavatory cleaning comprises a dispensing end for dispensing the liquid form of the compositions, a first and a second compartment.
  • the dispensing end is adapted for proper application of the cleaning of the hard surfaces not readily accessible with a brush, such as under the rim of a lavatory bowl.
  • the cleaning container may comprise a compartment for storage of the solid form of the compositions according to the present invention, such as a powder format, a compressed tablet or compacted powder.
  • the cleaning container may comprise a second reservoir compartment arranged for mixing said solid composition and preparing a viscous liquid for direct application to the hard surfaces of interest. The second reservoir compartment may also be used for storage of the viscous liquid composition.
  • the present solid composition provides for a viscous liquid cleaning composition that comprise (a) from between 0.50% to about 7.5% by weight of a dispersant system; (b) from about 0.25% to about 2.0 % by weight of a thickener system; (c) from about 0.25% to about 1.5% by weight, preferably between 0.25% to about 1.25% of a surfactant system; and (d) from about 0.10 % to about 3.25 % by weight of a biocide system.
  • the liquid composition further contains an auxiliary biocide agent such as a weak organic base.
  • the viscous liquid composition is homogenous.
  • the present invention provides for a viscous liquid cleaning composition that may contain (a) from about 1.15% to about 2.40% by weight of a dispersant system; (b) from about 0.50% to about 1.00% by weight of a thickener system; (c) from about 0.30% to about 0.75% by weight of a surfactant system; and (d) from about 0.15% to about 2.75% by weight of a biocide system; wherein the biocide system is a combination of a biocide agent such as a quaternary ammonium and an auxiliary biocide agent such as citric acid, and further wherein the viscous liquid composition having a viscosity ranging 80 to 2000 cP; 80 to 800 cP; 85 to 650 cP, preferably between 90 and 450 cP, and most preferably between 120 and 350 cP, measured with Brookfield Viscometer Brookfield RVDV, Spindle No.2, at 50 rpm, expressed in cP; at 20°C.
  • the present viscous liquid cleaning composition is a homogenous composition having no lumps when in liquid form.
  • the homogenous viscous liquid has no more than 10% particles having a size larger than 500 nm in diameter.
  • the viscous composition contains (a) about 1.19% or 2.38 % by weight of a dispersant; (b) about 0.50% or 1.00% by weight of a thickener; (c) about 0.33% or 0.66% by weight of a non-ionic surfactant; and (d) about 0.17 or 0.35% of a quaternary ammonium biocide and (e) about 1.18% or 2.38% by weight of citric acid.
  • the liquid composition further contains a dye, a fragrance, anti-caking agent, and a pH modifier and an aqueous solvent that is preferably water.
  • the viscous composition is free of any other cationic, anionic or amphoteric surfactants.
  • the viscous composition is a homogenous composition having no lumps. In certain embodiments, the homogenous viscous composition has no more than 10% particles with a size larger than 500 nm in diameter.
  • the viscous compositions containing (a) about 1.19% or 2.38 weight of a dispersant; (b) about 0.5% or 1.0% by weight of a thickener; (c) about 0.3% to 0.6% by weight of a non-ionic surfactant; and (d) about 0.17 to 0.35 % by weight of a quaternary ammonium biocide.
  • the viscous composition may contain citric acid, trisodium citrate, an oil based fragrance and a dye.
  • the viscous composition is free of any other cationic, anionic or amphoteric surfactants.
  • the viscous composition is a homogenous composition having no lumps.
  • the homogenous viscous composition has no more than 10% particles with a size larger than 500 nm in diameter.
  • the present invention provides for methods of manufacturing a hygienic composition in a container comprising the steps of mixing all powder ingredients and applying liquid solvent on top of the powder. Such process may comprise of applying the liquid on part of the powder substances in premix and then adding it to the final mixture.
  • the present invention provides for methods of cleaning hard surfaces in bathrooms such as toilet bowls, bathroom tiles and floors or the like by applying the cleaning composition according to the first aspect of the present invention.
  • the method further includes the step of applying water to remove undesirable scaling and odor in the area of interest.
  • a methods of cleaning hard surfaces include selecting hard surfaces from the group consisting of toilet bowls, urinal, lavatory fixtures, bathroom and flooring tiles by mixing the solid cleaning compositions in a container with an aqueous solvent, forming a viscous liquid composition having a viscosity ranging from 80 cP to 2000, preferably 80 cP to 650 cP at 20°C; and most preferably in 120 cP to 350 cP as measured using spindle 2 at 50 rpm on a Brookfield viscometer, applying the cleaning composition to the area of interest and optionally applying water to remove undesirable scaling and odor in the same area.
  • the hard surfaces is of material selected from the group consisting of bricks, ceramic, cement, crystal, diamond, glass, latex, marble, metallic, pebbles, porcelain, polymeric and quarry tiles, and natural stone.
  • FIG.1 provides an illustration of the external view of an example of the article of manufacture which is in the form of a container 10(a) having a flexible first compartment 11 and a second compartment 12.
  • 10(b) provides further clarification of the features of the second compartment and the respective ridge components 16 of the lock and latch system that allows the second compartment to be attached to the first compartment.
  • FIG.2 shows a side view of the dispensing assembly and the respective the cap and the construct of the ejection port.
  • FIG 3 provides a cross sectional view of the container 30, and the relationship between the first and the second compartment and the view of the lock and latch mechanism when the first and the second compartment are attached.
  • a reference to a particular compound includes all ionic, salt, solvate (e.g., hydrate), protected forms, and other stereoisomers thereof, isomeric forms, including racemic and other mixtures thereof.
  • “about” will mean up to plus or minus 5% of the particular term.
  • biocide refers to any material that is capable of killing any of the microorganisms: bacteria, fungus, archaea, protozoa, algae, parasites, virus, pathogenic or non-pathogenic, which may include additional compounds having antiviral, antimicrobial, antibacterial, antifungal, and/or antiparasitic activities.
  • compositions that only includes the recited ingredients.
  • substantially free it is meant that the final composition is free of any traces of the identified ingredient to the extent that it could be detected by general quantitative assays known in the art for detection of such ingredient in the final composition or if detected, but less than 1% of the total weight of the respective composition only in the form of residual content of the ingredient or the composition containing such ingredient.
  • the phrase substantially free of water would mean that the respective composition contains less than 1% water.
  • a dispersant system in relationship to an ingredient means at least one of such ingredients or a combination of ingredients collectively providing the same properties.
  • a dispersant system may consist of one dispersant or comprise a combination of at least two dispersants.
  • a biocide system may consist of a single biocide material, such as a single quaternary ammonium, or two or more biocide ingredients, or may further include an auxiliary biocide ingredient that provides additive or synergistic effects to enhance the efficacy of the quaternary ammonium biocide.
  • viscosity refers to the dynamic viscosity, as measured using a Brookfield viscometer (spindle no.2, at 50 rpm, at 20°C). All ranges described herein are meant to be inclusive of all amounts therebetween. For example, a range of dispersant system from 30% to 35% by weight is intended to cover all amounts or concentrations therebetween including 30%, 31%, 32%, 33%, 34% and 35% by weight.
  • At least one aspect of the present invention is unique combinations of dispersants, thickeners, non-ionic surfactants, biocide materials, and fragrances in tablet or powder form that are capable of producing a viscous liquid with the suitable viscosity to achieve superior cleaning results when applied to hard surfaces as compared to liquids having lower or higher viscosity than those of the present viscous liquid compositions. Any disclosed ranges provided herein include all ranges and values therebetween.
  • a viscosity that ranges between 80 to 2000 cP includes all values and ranges therebetween including 85, 86, 87, 90, 91, 93, 96, 108, 140, 150, 180, 190, 213, 230, 240, 250, 270, 280, 350, 375, 450, 500, 550, 600, 650, 700, 750, 800, 900, 1000 and so on.
  • all ingredients are assumed to be 100% pure prior to being combined into the respective solid form. To that end, unless specifically described the concentration of each ingredient in the final composition is based on 100% purity of the respective ingredient.
  • At least one aspect of the present invention relates to cleaning compositions comprising a dispersant system, a thickener system, a non-ionic surfactant system, and a biocide system.
  • the composition further comprises any one of a fragrance, a dye, solid binder, a bittering agent, acidity regulators, pH adjustor, a chelating agent, anti-caking agents, suitable fillers, or any mixtures thereof.
  • the composition is a solid lavatory cleaning composition containing a dispersant, a thickener, a non-ionic surfactant, a biocide material and a fragrance.
  • the biocide material is a single quaternary ammonium or a combination of quaternary ammonium material that provides germicidal activities.
  • the solid composition further includes a biocide auxiliary ingredient in powder form that is a weak organic acid.
  • the solid composition is in the form of loose powder, compressed powder particles or a compressed tablet that is dissolvable in a suitable solvent, including water or any suitable aqueous solvent.
  • the solid lavatory composition is wrapped or encapsulated in a water soluble or insoluble film.
  • the composition is in the form of compressed tablet or compressed powder packaged in a water-soluble and moisture control film or material.
  • the solid composition has a weight ranging from about 0.05 g to about 500 g.
  • the solid composition is in the form of a loose powder particles, compacted powder form or compressed tablet having a weight ranging from about 5 g to 100 g, preferably 10 g to 75 g, and most preferably 25 g to 50 g.
  • the composition of the present invention is in the solid tablet or powder form containing a dispersant system, a thickener system, a non-ionic surfactant system, and a biocide system, and optionally fragrances; dyes or colorants, preservatives; pH buffering agents; germicides, fungicides, anti-oxidants; bitter flavorants and absorbents.
  • the cleaning compositions of the present invention includes only one dispersant, one thickener, one non-ionic surfactant, and one biocide material, free of any secondary dispersants, thickeners, surfactants, or biocide materials.
  • the composition may contain an auxiliary biocide agent to improve the germ kill capabilities of the composition.
  • the composition further comprises any one of a fragrance; a dye or colorant, a preservative; a pH buffering agent; a second germicide and/or fungicide; an anti-oxidant; an anti-caking agent and a bitter flavorant.
  • the cleaning compositions of the present invention consists essentially of one dispersant, one thickener, one non-ionic surfactant, one biocide material, at least one of a fragrance; and at least a dye or colorant. In some embodiments, the cleaning compositions of the present invention consists of one dispersant, one thickener, one non-ionic surfactant, a biocide material, one auxiliary biocide agent, an anti0caking agent, at least one of a fragrance; and at least a dye or colorant.
  • the composition is in the form of a compressed tablet and the dispersant system, the thickener system and the non-ionic surfactant system are present in a ratio of 3 to 7 : 0.5 to 1.5 : 0.5 to 1.5 respectively on a weight basis and may preferably be present in a ratio of 3.5 to 5.5 : 0.85 to 1.25 : 0.8 to 1.1 respectively.
  • the ratio of a dispersant, a thickener and a non-ionic surfactant in the present composition is 5.3 to 6 : 1 to 1.3 : 1, respectively on a weight basis for achieving a composition viscosity of 85 to 650 cP, preferably between 130 to 300 cP at 20 °C and 50 rpm, measured with Brookfield Viscometer Brookfield RVDV, Spindle No.2.
  • the composition is in the form of a loose powder and the dispersant system, the thickener system and the non-ionic surfactant system are present in a ratio of 3 to 4 : 0.75 to 1.55; and 0.75 to 1.25 respectively on a weight basis.
  • the dispersant system, the thickener system and the non-ionic surfactant system are present in ratio of 3.44 : 1.44 : 1 respectively on the weight basis for achieving a composition viscosity of 85 to 650 cP, preferably 130 to 300 cP at 20 °C and 50 rpm, measured with Brookfield Viscometer Brookfield RVDV, Spindle No.2.
  • the solid composition is for cleaning hard surfaces and may comprise; (a) from between 20% to about 75% by weight of a dispersant system; (b) from 5% to 20% by weight of a thickener system; (c) from 1% to 25% by weight, of a surfactant system; and (d) from 2 % to 50 % by weight of a biocide system.
  • the biocide system may be the combination of a biocide material and a biocide auxiliary ingredient.
  • the thickener is a non-ionic thickener and may be a hydroxypropyl guar gum.
  • the solid lavatory composition according to the present invention is in a tablet form that comprises (a) from between 20% to about 70% by weight of a dispersant system; (b) from about 10.0 % to about 15% by weight of a thickener system; (c) from about 2% to about 15% by weight, preferably between 2% to about 12% of a surfactant system; and (d) from about 2 % to about 30 % by weight of a biocide system.
  • the biocide system includes a biocide auxiliary agent which is a weak organic acid.
  • the thickener is a non-ionic thickener and may be a hydroxypropyl guar gum.
  • the solid cleaning composition according to the present invention may contain (a) from about 28% to about 45% by weight of a dispersant system; (b) from about 10.5% to about 15.5% by weight of a thickener system; (c) from about 7% to about 15% by weight of a surfactant system; and (d) from about 3% to about 45% by weight of a biocide system.
  • the biocide system may be the combination of a biocide material and a biocide auxiliary ingredient.
  • the thickener is a non-ionic thickener and may be a hydroxypropyl guar gum.
  • the composition of the present invention are directed to powder formats containing (a) from 30% to 35% by weight of a dispersant system; (b) from 11.5% to 13.5% by weight of a thickener system; (c) from 7% to 12% by weight of a surfactant system; and (d) from 4% to 43% by weight of a biocide system.
  • the biocide system is a combination of biocide and an auxiliary biocide ingredient.
  • the thickener is a non-ionic thickener and may be a hydroxypropyl guar gum.
  • the composition optionally comprises any one of a dye, solid binder, suitable fillers, or any mixtures thereof.
  • the composition according to the present invention has less than 5% water content. In some embodiments, the composition according to the present invention has less than 5%, 2% or 1% water content. In other composition, a composition according to the present invention is substantially free of water. In other embodiments, the present invention is a powder composition comprising (a) about 31% weight of a dispersant; (b) about 13% by weight of a thickener; (c) about 9% by weight of a non-ionic surfactant; and (d) about 4.4 % by weight of a quaternary ammonium biocide.
  • the powder composition further contains citric acid as an auxiliary biocide ingredient, trisodium citrate as a dispersant, and an oil-based fragrance and a dye.
  • citric acid is present in amount of about 31% by weight of the composition.
  • trisodium citrate is anhydrous and present in amount of about 31% by weight of the composition.
  • the powder compositions according to the present invention are free of any other cationic, anionic or amphoteric surfactants.
  • the solid cleaning composition according to the present invention is in a powder format containing (a) from about 28% to about 45% by weight of a dispersant system; (b) from about 10.5% to about 15.5% by weight of a thickener system; (c) from about 7% to about 12% by weight of a surfactant system; and (d) from about 3% to about 45% by weight of a biocide system.
  • the composition of the present invention may contain (a) from 30% to 35% by weight of a dispersant system; (b) from 11.5% to 13.5% by weight of a thickener system; (c) from 7% to 12% by weight of a surfactant system; and (d) from 3% to 43% by weight of a biocide system.
  • the powder composition according to the present invention may further contain anti-caking agents, a dye, a fragrance component as well.
  • the biocide system may be the combination of a biocide material and a biocide auxiliary ingredient.
  • the thickener is a hydroxypropyl guar gum.
  • the dispersant system comprises sodium chloride, magnesium chloride, trisodium citrate, calcium sulfate, or any combinations thereof
  • the surfactant system comprise a non-ionic surfactant system selected from the group consisting of a block copolymer based on a polymeric ethoxy/propoxy units, or ethoxylated alcohols C 12 -C 20 and any combinations thereof.
  • the solid cleaning composition according to the present invention consisting essentially of (a) from about 28% to about 45% by weight of a dispersant system; (b) from about 10.5% to about 15.5% by weight of a thickener system, wherein the thickener is a hydroxypropyl guar gum; (c) from about 7% to about 12% by weight of a surfactant system; (d) from about 3% to about 5% by weight of a quaternary ammonium biocide agent, (e ) an auxiliary biocide agent in amounts ranging from 28% to 35% by weight, (f ) an anti-caking agent, (g) a dye, and (h) a fragrance.
  • the powder composition of the present invention consists of (a) from 30% to 35% by weight of a dispersant system; (b) from 11.5% to 13.5% by weight of a thickener system; (c) from 7% to 12% by weight of a surfactant system; and (d) from about 3% to about 5% by weight of a quaternary ammonium biocide agent, (e) an auxiliary biocide agent in amounts ranging from 28% to 35% by weight, (f ) an anti-caking agent, (g) a dye, and (h) an oil based fragrance.
  • the present invention is lavatory powder compositions containing (a) about 31% weight of a dispersant; (b) about 13% by weight of a thickener; (c) about 9% by weight of a non-ionic surfactant; and (d) about 4.4 % by weight of a quaternary ammonium biocide.
  • the powder composition may contain citric acid in amount of about 31%, an oil based fragrance in amounts of 0.75% and a dye in amounts of about 0.20%.
  • the powder composition is free of any other cationic, anionic or amphoteric surfactants.
  • the solid cleaning tablet composition according to the present invention comprise (a) from between 50% to about 75% by weight of a dispersant system; (b) from about 10.5% to about 13.5% by weight of a thickener system; (c) from about 2% to about 15% by weight, preferably between 2% to about 12% of a surfactant system; and (d) from about 4% to about 5% by weight of a biocide system.
  • the composition optionally comprises any one of a dye, a fragrance, a solid binder, suitable fillers, or any mixtures thereof.
  • the solid cleaning is for cleaning hard surfaces consists essentially of a dispersant system, a thickener system, a surfactant system, a biocide, a dye and a fragrance.
  • the solid composition consisting essentially of (a) from between 20% to about 75% by weight of a dispersant system; (b) from about 5.0 % to about 20 % by weight of a thickener system; (c) from about 2% to about 15% by weight, preferably between 2% to about 13% of a surfactant system; (d) from about 2 % to about 30 % by weight of a biocide system consisting of a quaternary ammonium biocide and a weak acid as an auxiliary biocide ingredient, (e) a dye, and (f) a fragrance.
  • the non-ionic surfactant system is ethoxylated alcohols C 12 -C 20 and the biocide system comprises quaternary ammonium-based biocides.
  • the compositions of the present invention may be diluted in 100 ml to 1000 ml of an aqueous solvent such as water.
  • the 25g solid composition is dissolved in 650 ml of water.
  • the compositions according to the present invention when diluted in water provides a viscosity that ranges between 80 to 2000 cp.
  • the composition according to the present invention provides a viscosity that ranges between 80 to 650 cP.
  • the viscosity ranges between 85 cP to 450 cP. In other embodiments, the viscosity ranges between 90 cP to 350 cP after the composition is dissolved in suitable amount of water, and more preferably between 120 to 250 cP after 5 to 15 minutes of mixing with water. In some embodiments, the desired viscosity is achieved within 1, 2, 3, 5, 10, 15, 30, and preferably less than 60 minutes after the solid composition of the present invention is diluted in sufficient amount of an aqueous solvent. To that end, the present invention is also directed to viscous products being formed by the process of preparing a solid cleaning agent according to the present invention and diluting the same into sufficient amount of aqueous solvent.
  • the present invention also describes a viscous liquid composition
  • a viscous liquid composition comprising (a) about 1.19% or 2.38 % by weight of a dispersant; (b) about 0.50% or 1.00% by weight of a thickener; (c) about 0.33% or 0.66% by weight of a non-ionic surfactant; and (d) about 0.17 or 0.35% of a quaternary ammonium biocide and (e) about 1.18% or 2.38% by weight of citric acid.
  • the liquid composition further contains a dye, a fragrance and a pH modifier and an aqueous solvent that is preferably water.
  • the viscous composition is a homogenous composition.
  • the term “homogenous” means uniform distribution of the solid particles within the liquid solvent to the extent that the final composition is free of any lump.
  • the homogenous viscous composition contains less than 10% particles having a diameter more than 500 nm.
  • the viscous compositions containing (a) about 1.19% or 2.38 weight of a dispersant; (b) about 0.5% or 1.0% by weight of a thickener; (c) about 0.3% to 0.6% by weight of a non-ionic surfactant; and (d) about 0.17 to 0.35 % by weight of a quaternary ammonium biocide.
  • the powder composition may contain citric acid, trisodium citrate, an oil based fragrance and a dye. In such embodiments, the powder composition is free of any other cationic, anionic, or amphoteric surfactants.
  • the tablet composition has a pH between 6 and 9, and in other embodiments, the pH may be between 7.5 and 8.5, measured at 20°C.
  • the powder formulation has a pH ranging between 3-6, and in a more preferred embodiment, the pH of the powder composition is between 3.5 to 4.5 at.20°C.
  • the solid cleaning composition of the present invention contains less than 5% water content, preferably, less than 2.5% water content. In some embodiments, the solid cleaning composition is substantially free of water.
  • Dispersants are substances useful to improve the separation of the particles in biphasic or multiphasic compositions such as colloidal dispersions. At least one particular benefit of using dispersants in consumer health compositions is to prevent or delay particle aggregation, flocculation, settling and/or clumping of the compositions.
  • the present inventors have identified that certain dispersants or combination of dispersants provide an advantage in the cleaning compositions described herein.
  • Preferred dispersants are in anhydrous form. Without intending to be bound by any particular theory, it is considered that the dispersants employed in the present compositions increase dissolution of the composition so that the composition exhibits not only decreased dissolution time, but also better solubility of the composition in water.
  • the compositions according to the present invention contains a dispersant system that includes least one dispersant.
  • the dispersant system includes an alkali metal or alkali earth metal inorganic salts including but not limited to alkali metal and earth metal chloride, sulfate, borates, bromides, citrates, acetates, lactates salts including sodium chloride, magnesium chloride, and calcium sulfate.
  • all sources of dispersants are in anhydrous form.
  • Suitable salts include calcium sulfate, potassium sulfate, sodium carbonate, lithium chloride, tripotassium phosphate, sodium borate, trisodium citrate, potassium bromide, potassium fluoride, sodium bicarbonate, calcium chloride, magnesium chloride, sodium acetate, calcium lactate, magnesium sulfate and sodium fluoride.
  • the dispersant may be selected from the group consisting of sodium chloride, potassium chloride, potassium sulfate, calcium chloride, magnesium sulfate, magnesium chloride, trisodium citrate, and mixtures thereof.
  • Particularly the preferred salts are sodium chloride or trisodium citrate or combinations thereof in anhydrous form.
  • the dispersant system may include a polymeric dispersant such as a homopolymer dispersant or copolymer dispersant.
  • the polymeric dispersant can also act as a chelating agent and provide anti-scale forming properties.
  • suitable polymer dispersants include ITACONIX®.
  • the dispersant system is present in amounts ranging from about 20% to about 75% weight percent. In other embodiments, the concentration of the dispersant system ranges from about 50% to about 67% weight percent.
  • the concentration of the dispersant system ranges from about 55% to about 65% weight percent. In other embodiments, the concentration of the dispersant system in the tablet composition ranges from 58% to about 62% by weight. In some embodiments, the dispersant is in amount ranging from 28% to about 45% by weight. In other embodiments, the powder composition contains a dispersants system ranging in amounts of 30% to 35% by weight of the composition. In some embodiments, the dispersant is an alkali metal salt. In some embodiments, the dispersant is sodium chloride, trisodium citrate or a combination thereof. In some embodiment, the dispersant consists of trisodium citrate.
  • Thickener or thickening agents are substances that can increase the viscosity of a composition, without substantially modifying the efficacy of the active ingredient within the composition. Thickeners can also increase the stability of the compositions of the present invention. In certain aspects of the present invention, the inventors have discovered that use of any thickener may not provide the suitable viscosity for the intended purposes that is desired for the presently described compositions. In fact, only a selected group of thickeners that can provide the desired viscosity no longer than 10, 15, or 30 minutes after mixing the composition with the suitable solvents while prolonging sufficient contact time of the resulting composition to effectively disinfect and clean the hard surface of interest.
  • the viscosity of the resulting liquid composition may range from 80 to 2000 cP or from 80 to 650 cP, at 20° C as measured with Brookfield Viscometer Brookfield RVDV, Spindle No.2, at 50 rpm as specified and the desired viscosity is achieved in no longer than 15 minutes after mixing the composition with the suitable solvent including water.
  • the compositions of the present invention contain a first thickener system selected from the group consisting of a guar gum, a xanthan gum, sodium alginate or any combinations thereof.
  • the composition can further contain a second thickener system with the proviso that when the first thickener is a guar gum, a xanthan gum, or sodium alginate, the second thickener is not any one of such first thickener.
  • the first thickener system is guar gum.
  • the guar gum is non-ionic.
  • the guar gum is a hydroxypropyl guar gum. In some embodiments, such guar gums having a molecular weight average between 500,000 to 5,000,000; 750,000, to 4,000,000; preferably between 900,000 to 2,500,000 and more preferably between 1,000,000 to 2,000,000 g/mol (or 1 and 2 million Daltons).
  • the non-ionic guar gum thickener has a viscosity ranging between 2000- 4500 for 1% solution when measured at 25 o C after 2 hours with Brookfield viscometer, Model RVF, #3 spindle at 20 RPM (method V-60-3).
  • the preferred guar gum is Rheomer® FC NAT which is a natural based polymer derived from guar gum available for purchase from Solvay.
  • the first thickener system may include any highly branched polymer having a hydroxypropyl group as a branch in every 2 to 3 monomeric backbones. Such type branching enhances the stability of the composition by preventing the polymer from packing tightly and further minimizing the formation of intermolecular hydrogen bonding.
  • a second thickener system may include any suitable substance that can increase the viscosity of the resulting liquid without substantially changing its other properties, such as methyl vinyl ether/maleic anhydride copolymer, dimethyl polysiloxane, sodium starch glycolate, sodium starch phosphate ester, sodium polyacrylate, carboxymethyl guar gum, methyl cellulose, crystalline cellulose, hydroxyethyl cellulose, hydroxymethyl cellulose, hydroxypropyl cellulose, polyvinylpyrrolidone, polyvinyl alcohol (PVA), clay materials, acid derivatives, acid copolymers, urethane associate thickeners (UAT), polyether urea polyurethanes (PEUPU), polyether polyurethanes (PEPU), or an inorganic thickener such as sodium magnesium silicate, lithium magnesium sodium silicate, acrylic acid/behenic acid cop
  • the total amount of the thickener system or the thickener ranges from about 5% to about 20% weight percent. In other embodiments, the amount of the thickener system ranges from about 10.5% to about 15.5% by weight. In other embodiments, the amount of the thickener system ranges from about 7.5% to about 13.5% weight. In other embodiments, the concentration of the thickener system or the thickener ranges from 10.5% to about 14% by weight. In certain embodiments, the thickener is the guar gum derivative Rheomer® FC NAT (CAS number 39421-75-5) at total concentration of ranging between 12% to 13.5% by weight of the composition.
  • the thickener is a hydroxypropyl guar gum present in about 13% weight.
  • the compositions of the present invention contain at least one non-ionic surfactant system, which comprise a block copolymer based on a polymeric ethoxy/propoxy units (i.e. Pluronics ® such as Pluronic ® F108, Pluronic ® F88 available by BASF) or a polyethylene glycol (PEG).
  • the non-ionic surfactant system includes a difunctional block copolymer terminating surfactant terminating in primary hydroxyl groups.
  • the non-ionic surfactant system is block copolymers based on polymeric ethoxy/proxy units.
  • the non-ionic surfactant system may include another non-ionic surfactant with the proviso that when the Pluronic® F108 or F88, is used as the non-ionic surfactant, the other non-ionic surfactant is not respectively Pluronic® F88, F108.
  • the surfactant system may include a second or a third non-ionic surfactant.
  • nonionic surfactants may be those that are the condensation products of a long chain ethylene oxide moiety with an aliphatic alcohol preferably a primary or secondary aliphatic alcohol or alkyl phenol, preferably the primary or secondary alcohol contains C 6-18 atoms and the alkyl phenol-based moiety is one wherein the alkyl chain is straight or branched and contains C 6 -12 carbon atoms, preferably C 6 -9 atoms.
  • Such non-ionic surfactants are available on the market under the tradename of "Neodol” products by Shell Oil Company; "Tergitol” products by Union Carbide Company; and "Alfol” products by Continental Oil Company or the like.
  • the total concentration of the non-ionic surfactant ranges from about 1% to about 25% weight percent. In some embodiments, the concentration of the non-ionic surfactant ranges between 2 % to about 17.5% by weight. In other embodiments, the concentration of non-ionic surfactants ranges from about 2 to about 12%.. In other embodiments, the concentration of the non-ionic surfactant ranges from 10 % to about 15 % by weight. In some embodiments, the concentration of the non-ionic surfactant is from about 7% to about 12% by weight. In some embodiments, the non-ionic surfactant is Pluronic ® F88 or F108 at concentrations ranges from 2% to about 12 % by weight.
  • the non- ionic surfactant may be in the ranges of about 2% to 4% by weight.
  • the surfactant is a PEG having a molecular weight ranging from 300 to about 1000.
  • the surfactant is PEG 400.
  • the concentration of the non-ionic surfactant may range between 1 to about 6% by weight.
  • the PEG 400 is used in the ranges of 2% to 4% by weight.
  • the non-ionic surfactant is a blend of ethoxylated fatty alcohols C 12 -C 20 (e.g.
  • Rhodasurf ® TB-970/FLK in concentrations ranges from 2% to about 12% by weight, preferably in amounts of about 9% by weight.
  • the composition may be substantially free of any other non-ionic or any anionic surfactant.
  • the surfactant system may include cationic and/or amphoteric surfactants and mixtures thereof.
  • useful surfactants may be one or more of those described for example in McCutcheon's Functional Materials, Vol.2, 1998; Kirk-Othmer, Encyclopedia of Chemical Technology, 4th Ed., Vol.23, pp.481-541 (1997), the contents of which are herein incorporated by reference.
  • compositions of the present invention contain a biocide system having any one or more of the antiviral, antimicrobial, antibacterial, antifungal, antiprotozoal, antiarcheal, and/or antiparasitic activities that is selected from quaternary ammonium-based biocides.
  • quaternary ammonium biocides are n-alkyl dimethyl benzyl ammonium chloride, n-alkyl, dimethyl ethyl benyl ammonium chloride, dodecyl dimethyl ammonium chlorides (DDAC), cetyl trimethyl ammonium chloride (CTAC), benzalkonium chloride (BAC), or any mixtures thereof.
  • the biocide material includes n-alkyl dimethyl benzyl ammonium chloride, n-alkyl, dimethyl ethyl benyl ammonium chloride, either alone or in combination together as provided under the BTC® 2125M series by Stepan.
  • the quaternary ammonium biocide having at least one alkyl chain having a length of C 12 -C 18 , more preferably a mixture of C 12 -C 14 , with concentration of C 12 ranging between 5% to about 70% by weight, and concentrations of C 14 ranging between 30-70% by weight, preferably between 60-68% by weight or any combinations thereof.
  • the total concentration of the biocide system in the present composition is in the range of between 2% to about 30% by weight. In certain embodiments, the biocide system may be present in the range of between 4% to about 15% by weight. In other embodiment, the biocide system may be present in the range of 4% to about to 12.5%. In certain embodiments, tablet or the powder compositions may contain biocides in range of 4% to about 4.8%. In a preferred embodiment, the concentration of the biocide is 4.4%. In some embodiments, the respective biocide is 100% pure. On the other hand, those of ordinary skill in the art would have been able to adjust the total concentration for the biocide material if the purity of such ingredient is less than 100%.
  • the biocide system contains BTC 2125M P40 by Stepan in amount of 10 to 12% by weight.
  • the biocide system may further contain an auxiliary agent that enhances the germ kill capabilities of the formulation, particularly the gram negative bacteria.
  • auxiliary biocide agents may include weak acids such as acetic acid and N-acetyl cysteine (NAC) which can effectively penetrate bacteria biofilms.
  • Auxiliary agents according to the present invention may include various mono and triprotic weak acids such as N-acetyl cysteine (NAC), acetic acid, formic acid and citric acid.
  • the auxiliary agents according to the present invention are in anhydrous form.
  • the biocide auxiliary agents may be present in amounts ranging between 25% to 45% by weight. In preferred embodiments, the auxiliary agents are present in amounts ranging between 30% to 35% by weight.
  • the biocide auxiliary agent is acetic acid, citric acid or formic acid in powder form.
  • the biocide auxiliary agent is citric acid in amount of about 31% by weight of the composition.
  • the citric acid is present in amount of about 1% to about 4%, and preferably in amount of about 1.19% to about 2.38% by weight in the final diluted viscous composition.
  • the present composition may include one or more additional optional ingredients selected from the group consisting of dye, a fragrance, a chelating agent, anti- caking agents, preservatives, bitterness flavorant, radical scavengers, hydrotropes, anticorrosion agents, opacifiers, brighteners, abrasives such as silica, kaolin, talc or an absorbent.
  • Anti-caking agents are generally used to reduce or prevent the caking of the powders or granules and include calcium salts of citric acid, such as tricalcium citrate, native starch, calcium phosphates, silicon dioxide, calcium silicate or the like.
  • Suitable dyes that may be used in this invention include, but are not limited to Sanolin Blue EHRL, Sanolin Blue NBL, Sanolin Lave Blue A liq, Sanolin Tartrazine X 90 and Sanolin Quinoline Yellow 70 (Clariant), Duasyn Acid Blue AE 03 or the like.
  • Suitable fragrances that may be used in this invention includes natural or synthetic fragrances inducing essential oils derived from herbs, flowers, trees, and other plants.
  • oils include for example, rose oil or peppermint oil, sesame oil, macadamia nut oil, tea tree oil, evening primrose oil, Spanish sage oil, Spanish rosemary oil, coriander oil, thyme oil, pimento berries oil, rose oil, anise oil, balsam oil, bergamot oil, rosewood oil, cedar oil, chamomile oil, sage oil, clary sage oil, clove oil, cypress oil, eucalyptus oil, fennel oil, sea fennel oil, frankincense oil, geranium oil, ginger oil, grapefruit oil, jasmine oil, juniper oil, lavender oil, lemon oil, lemongrass oil, lime oil, mandarin oil, marjoram oil, myrrh oil, neroli oil, orange oil, patchouli oil, pepper oil, black pepper oil, petitgrain oil, pine oil, rose otto oil, rosemary oil, sandalwood oil, spearmint oil, spikenard oil, veti
  • Preferred fragrances include DYNAMO 20 (I.F.F) or MARINE 20 TBC T11036681 (Takasago).
  • Article of manufacture is directed to an article of manufacture for lavatory cleaning comprising a first and a second compartment respectively for storage and/or mixing of the ingredients and a dispensing end for discharging or applying the liquid form of the cleaning compositions according to the present invention to the area of interest.
  • the first and/or the second compartments are detachable.
  • Each such compartment may be made of suitable material such as, for example, a polyolefin, polypropylene (PP), a polyethylene (PE), a polyvinylchloride (PVC) or a polyethylene-terephthalate (PET), a glycol- modified polyethylene-terephthalate (PETG), High Density Poly Ethylene (HDPE), or other ecofriendly material.
  • PP polypropylene
  • PE polyethylene
  • PVC polyvinylchloride
  • PET polyethylene-terephthalate
  • PET glycol- modified polyethylene-terephthalate
  • HDPE High Density Poly Ethylene
  • the dispensing end and first storage compartment may be made of PET or HDPE, while the second storage compartment may be of PP.
  • the article of manufacture is a container or a bottle.
  • the first compartment of the article of manufacturer includes a squeezable and flexible reservoir configure for mixing said solid form with a suitable aqueous solvent for preparing and storing a viscous liquid and a means configured in the shape of a groove, a concave or an indent to receive and secure the second compartment.
  • the reservoir may have a capacity of storing 50 ml to about 1500 ml liquid. In other embodiments, the reservoir may have the capacity of storing 100 ml, 500 ml, 650 ml, 750 ml, 850 ml, 1000 ml, of liquid. In some embodiments, the reservoir compartment may also be used for storage of the viscous liquid composition.
  • the reservoir compartment is reusable and capable of maintaining its integrity in extreme weather.
  • the article of manufacture is a container, having a volume line for containing at least 100 ml, 500 ml, 650 ml, 750 ml, 850 ml, 1000 ml, and up to 1500 ml of an aqueous solvent.
  • the article of manufacture comprising a dispensing end, a first and a second compartment, wherein at least one of said compartments is detachable, wherein the dispensing end includes a discharging assembly that connected to one of said compartments by the way of locking mechanism that connects the dispensing end to the respective compartment, and wherein the dispensing assembly comprise an ejection port capable of discharging a volume of approximately 50 millimeters to approximately 300 millimeters of a viscous liquid composition having a viscosity of between 85 to 650 cP as measured with Brookfield Viscometer Brookfield RVDV, Spindle No.2, at 50 rpm,
  • the article of manufacture can further comprising a solid cleaning composition comprising: (a) from between 20% to about 75% by weight of a dispersant system; (b) from about 5.0 % to about 20 % by weight of a thickener system consisting essentially of a hydroxypropyl guar gum; (a) from between 20% to about 75% by weight of
  • the article of manufacture according to the present invention can further comprising a solid powder composition comprising (a) from about 28% to about 45% by weight of a dispersant system; (b) from about 10.5% to about 15.5% by weight of a thickener system consisting of a hydroxypropyl guar gum; (c) from about 7% to about 12% by weight of a surfactant system; and (d)from about 3% to about 45% by weight of a biocide system.
  • the article of manufacture according to any of such features may having a volume line for containing at least 100, 500, 650, 750, 850 or 1000 ml of a solvent.
  • FIG 1 provides an illustration of the external view of an example of the article of manufacture which is in the form of a container 10(a) having a flexible first compartment 11 and a second compartment 12 containing a reservoir for storage of the solid compressed powder or tablet 10(b).
  • the first compartment may have volume line(s) for example depicted as shown by 13 for containing any volume ranging from 100 ml to 1500 ml on its external side.
  • the second compartment 12 includes a compartment for storage of the dry solid form of the compositions according to the present invention, such as a compressed tablet, loose or compacted powder.
  • the compartment for storage of the solid form of the composition may be detachable and located in the opposite end to the dispensing end 14.
  • the second compartment 12 may be attached and fastened to the first compartment 11 via a lock mechanism 34 configured in the shape of a groove, a concave or an indent 16 to receive and secure the second compartment in the lowest section of the first compartment 15.
  • the second compartment is located in the opposite end of the dispensing end at the bottom of the first compartment.
  • the lock mechanism may be by a means configured in the shape of a groove, a concave or an indent to receive and secure the second compartment with the first compartment.
  • the second compartment is snapped into its position through the ridges 16 and their respective receivers located on the body of the first compartment, allowing the second compartment to sit underneath the first compartment.
  • the second compartment may be separated by the way of its latching mechanism, snapped out of its position and thus separated from the first compartment.
  • the second compartment may be attached or hang from the first compartment via an adhesive or a hanger mechanism.
  • the dispensing end of the first compartment is configured in a suitable angel to impart perpendicular discharge of the viscous liquid to the area of interest degree so that upon compressing the flexible body of the reservoir compartment, the formulated viscous material is discharged towards the area of interest capable of traveling approximately 50 millimeters to approximately 300 millimeters after exiting the discharge end.
  • the container also includes a dispensing end 14 made from the same or different material as the first or second compartments.
  • the dispensing end may be a part of the first compartment. In some embodiments, the dispensing end is configured to associate with a dispensing assembly by the way of a screw locking mechanism 17.
  • FIG 2 provides a side view of the dispensing assembly 20. In certain embodiments, the dispensing assembly is associated with the first compartment 11.
  • the discharge assembly includes a locking component 21 and an end cap 22.
  • the dispensing end includes a discharging assembly that may be detachable or connected to the container by the way of screw locking mechanism that connects the dispensing end to the respective compartment. In some embodiments, the screw locking mechanism and the cap may be made of PP.
  • the discharge assembly may have an ejection port 23(a) and 23(b) for discharging the viscous liquid adapted for proper application to the hard surfaces, such as under the rim of a lavatory bowel, lavatory fixtures such as shower stalls, bathtubs and bathing appliances (racks, shower doors, shower bars) toilets, bidets, wall and flooring surfaces.
  • the ejection port may be configured into two parts. The first part 23 (a) may be part of or associated with the locking component 21, while the second part 23(b) may be designed within the end cap 22.
  • FIG 3 is a cross sectional view of the container 30, showing the first compartment 31, the second compartment 32, positioned on the opposite end from the dispensing end 33, and the lock and latch mechanism 34 by which the second compartment is attached to or detached from the first compartment.
  • the respective ridges from second compartment and the receivers thereof from the first compartment are snapped together to position the second compartment underneath the first compartment.
  • the dry solid composition may be a solid compressed tablet, loose or compacted powder packaged or encapsulated in a polymeric film or water soluble paper, in the form of a unit dose. In such case, the polymeric/paper film will wrap around the solid composition encapsulating the content therein to form a unit dose.
  • the respective unit dose encapsulating packaging may be water soluble. In some embodiments, the respective unit dose encapsulating packaging have the same or different thickness of the polymeric film. For example, at certain areas of the unit dose package where the film forms a closure, the thickness of the film may be more that the thickness of the film in the area that surrounds the body of the solid composition.
  • the polymeric film comprises of poly (vinyl alcohol) ("PVOH"), plant based polysaccharide (Decomer), Agar, plant starch, carboxymethylcellulose (CMC) and hydroxy carboxymethyl cellulose (HPMC), natural starch and vegetable oil, hyaluronic acid, PEG oxides, casein and casinates, PEO based polymers, alginates, cellulose ether, or other water- soluble polymers that is suitable for encapsulating or laminating the solid compositions according to the present invention.
  • PVOH poly (vinyl alcohol)
  • Decomer plant based polysaccharide
  • CMC carboxymethylcellulose
  • HPMC hydroxy carboxymethyl cellulose
  • natural starch and vegetable oil hyaluronic acid
  • PEG oxides casein and casinates
  • PEO based polymers alginates
  • cellulose ether or other water- soluble polymers that is suitable for encapsulating or laminating the solid compositions according to the present invention.
  • the polymeric film is any of the PVOH, a plant based polysaccharide (Decomer), a plant starch, CMC and HPMC films, hyaluronic acid, or alginate.
  • the polymeric film is biodegradable.
  • the polymeric film is PVOH which may be partially or fully alcoholized or hydrolyzed. For example, it may be from 10 to 100%, preferably 50 to 95%, more preferably about 80-90%, alcoholized or hydrolyzed, polyvinyl acetate. When the polymer is in film form, the film may be cast, blown or extruded.
  • the PVOH may be converted to a non-planar sheet containing a pocket, which is able to retain the solid composition.
  • a sheet of a water-soluble polymer such as PVOH or a cellulose ether may then be secured over the top of the solid composition, to form the closure parts for all the receptacle parts of the unit dose.
  • the polymeric film is formed into a container or receptacle such as a pouch which can receive the content of the solid composition. To that end the polymeric material in their respective receptacle are filled with the solid composition and then sealed, for example by heat sealing along the top of the container.
  • additional sheets of water-soluble polymer or molded polymer can be put on top of the container and sealing it to the body of the container, for example by heat sealing to prepare the unit dose for storage in its respective compartment within the article of manufacture according to the present invention.
  • heat sealing to prepare the unit dose for storage in its respective compartment within the article of manufacture according to the present invention.
  • other methods of sealing the films together may be used, for example infra-red, radio frequency, ultrasonic, laser, solvent, vibration or spin welding.
  • the unit dose form comprising the water soluble film encapsulating polymer to be used for hard surface cleaners can take any shape, such as an envelope, sachet, sphere, cylinder, cube or cuboid where the base is square, circular, triangular, or oval, but water soluble containers of rounded cuboid or cylindrical shape are preferred; rounded cuboid for use in, for example, a bucket of water and cylindrical when used as a refill for a trigger bottle.
  • the water-soluble container can have dimensions such as, for example, having a length of 1 to 8 cm, especially 2.5 to 6.0 cm, a width of 2.0 to 4.0 cm, especially 2.5 to 3 cm, and a height of 0.1 to 3 cm.
  • the unit dose form of the present solid composition is required which is then diluted prior to use.
  • the solid composition may be dislodged from its unit dose form into the mixing compartment and diluted with a suitable amount of water, then shaken or mixed for a specific period of time to achieve a desirable viscosity ranging from about 85-650 cP prior to application to the hard surface area, applying the resulting homogeneous viscous liquid composition to the toilet surface of interest such as rim of the bathroom bowel, different areas of the bathroom bowel surfaces such as ceramic and porcelain bowels, flooring tiles, and stones; and ultimately flushing the toilet with water.
  • the toilet surface of interest such as rim of the bathroom bowel, different areas of the bathroom bowel surfaces such as ceramic and porcelain bowels, flooring tiles, and stones
  • the unit dose packaging may contain about 1 to about 50 g of solid composition, preferably between 12.5 to 50 g, and more preferably 25 g or 50 g, either in the form of compressed tablet or compacted powder.
  • the 25 mg tablet or powder format is dissolved in 650 ml to achieve the desired viscosity ranging between 80 to 2000 cP, 80 to 650 cP, preferably 95 to 400 cP, and more preferably a viscosity of ranging 180 cP to 325 cP.
  • the solid cleaning composition according to the present invention may be dissolved in ratio up to 1:60, 1:50, 1:40, 1:10, 1:5, 1:4 in an aqueous solvent, the resulting homogenous composition having a viscosity ranging from >50 cP, preferably a viscosity of ranging 180 cP to 325 cP between 2 minutes to about 30 minutes, and more preferably between 120 cP to 250 cP after 5 to 15 minutes at 20° C as measured using spindle 2 at 50 rpm on a Brookfield viscometer.
  • solid cleaning composition according to the present invention is dissolved in ratio up 1:50 or 1:40 in an aqueous solvent.
  • the aqueous solvent is water.
  • Methods of manufacturing and use of the Composition provides for methods of manufacture a hygienic composition comprising the steps of manufacturing the powder, compressed tablet or compacted powder which involves the process of dry mixing the ingredients such as the non-ionic surfactant at a temperature ranging between 15° C to about 50 °C, preferably at 40°C with the biocide material, and ultimately the step of converting the solid composition to a viscous liquid composition by dissolving it in an aqueous diluent and shaking it to assume a viscosity ranging from 80 to 2000 cP, 80 to 650 cP, preferably 95 to 400 cP, and more preferably a viscosity of ranging 180 cP to 325 cP that may be achieved up to about 30 minutes after the solid form is mixed with the suitable aqueous solvent, preferably up to about 15 minutes, and more preferably up to about 10 minutes.
  • the viscosity of 180 cP to 325 cP is achieved within 5 minutes after the solid form is mixed with the suitable aqueous solvent such as water. In other embodiments, the viscosity of 120 cP to 250 cP is achieved within 15 minutes after the solid lavatory composition is mixed with suitable aqueous solvents such as water.
  • the invention is directed to methods of preparing a viscous liquid for treatment of hard surfaces selected from the group consisting of toilet bowls, urinal, lavatory fixtures, bathroom and flooring tiles and floors comprising (a) mixing the solid compositions described herein in a container with an aqueous solvent, (b) shaking the solid cleaning composition with the aqueous solvent and (c) forming a viscous liquid composition having a viscosity ranging from 80 cP to 650 cP at 20° C as measured with Brookfield Viscometer Brookfield RVDV, Spindle No.2, at 50 rpm, wherein said viscosity is achieved about 5 minutes after the mixing step (a).
  • the solvent is water.
  • the amounts of the respective ingredients are modified based on the degree of dilution. For example, at least in some embodiments, when the present solid composition are diluted in 100, 500 or 650 milliliters of solvent, such as water.
  • a 25 g of a solid powder is mixed in 650 milliter of water to form a viscous liquid cleaning composition
  • a viscous liquid cleaning composition comprise (a) from between 0.50% to about 7.5% by weight of a dispersant system; (b) from about 0.25% to about 2.0 % by weight of a thickener system; (c) from about 0.25% to about 1.5% by weight, preferably between 0.25% to about 1.25% of a surfactant system; and (d) from about 0.10 % to about 3.25 % by weight of a biocide system.
  • the liquid composition further contains an auxiliary biocide agent such as a weak organic base.
  • the viscous liquid cleaning composition derived from diluting the solid lavatory composition contains (a) from about 1.15% to about 2.40% by weight of a dispersant system; (b) from about 0.50% to about 1.00% by weight of a thickener system; (c) from about 0.30% to about 0.75% by weight of a surfactant system; and (d) from about 0.15% to about 2.75% by weight of a biocide system; wherein the biocide system is a combination of a biocide agent such as a quaternary ammonium and an auxiliary biocide agent such as citric acid, and further wherein the viscous liquid composition having a viscosity ranging from 80 cP to 650 cP at 20°C as measured using spindle 2 at 50 rpm on a Brookfield viscometer.
  • the solid tablet cleaning composition comprise used to manufacture the viscous liquid composition comprise (a) about 60% by weight of a dispersant; (b) about 11.5% by weight of a thickener, (c) about 11% by weight of a non-ionic surfactant; and (d) from 4% to about 5% by weight of a biocide.
  • the solid cleaning composition is in a powder form comprising (a) about 31% by weight of a dispersant; (b) about 13% by weight of a thickener; (c) about 13% by weight of a non-ionic surfactant; (d) from 4% to 5% by weight of a biocide; and (e) about 31% by weight of an auxiliary biocide agent.
  • the 25 mg powder is dissolved in 650 ml to achieve the desired viscosity, preferably ranging between 180 cP to 325 cP.
  • the viscous liquid composition derived from dilution of the powder composition according to the present invention in 650 milliliters of water contains (a) about 1.19% or 2.38 % by weight of a dispersant; (b) about 0.50% or 1.00% by weight of a thickener; (c) about 0.33% or 0.66% by weight of a non-ionic surfactant; and (d) about 0.17 or 0.35% of a quaternary ammonium biocide and (e) about 1.19% or 2.38% by weight of citric acid.
  • the liquid composition further contains a dye, a fragrance and a pH modifier and an aqueous solvent that is preferably water.
  • the viscous liquid compositions according to the present invention contains (a) about 1.19% or 2.38 weight of a dispersant; (b) about 0.5% or 1.0% by weight of a thickener; (c) about 0.3% to 0.6% by weight of a non-ionic surfactant; and (d) about 0.17 to 0.35 % by weight of a quaternary ammonium biocide.
  • the powder composition may contain citric acid, trisodium citrate, an oil based fragrance and a dye.
  • the powder composition is free of any other cationic, anionic or amphoteric surfactants.
  • the present invention provides for methods of cleaning hard surfaces in bathrooms such as toilet bowels, urinal, lavatory fixtures, bathroom and flooring tiles and floors by mixing the dry solid form of the present composition in the compartment containing a reservoir, preparing a viscous liquid cleaning composition comprising a biocide, and applying the cleaning composition to the area of interest and optionally applying water to remove undesirable scaling and odor in the same area.
  • Hard surfaces according to this invention include such material as bricks, ceramic, cement, crystal, diamond, glass, latex, marble, metallic, pebbles, porcelain, polymeric and quarry tiles, and natural stone.
  • hard surfaces may include surfaces composed of refractory materials such as: glazed and unglazed tile, porcelain, ceramics as well as stone including marble, granite, and other stones surfaces; glass; metals; plastics e.g. polyester, vinyl; fiberglass, FormicaTM, CorianTM or lavatory fixtures and other hard surfaces known to the industry.
  • refractory materials such as: glazed and unglazed tile, porcelain, ceramics as well as stone including marble, granite, and other stones surfaces; glass; metals; plastics e.g. polyester, vinyl; fiberglass, FormicaTM, CorianTM or lavatory fixtures and other hard surfaces known to the industry.
  • the examples further provide the resulting viscosity and the duration of time after such viscosity is achieved for each respective formulation after it is dissolved in suitable amount of water, namely ranging between 100 to 1500 ml of water, but most preferably in 650 ml of water.
  • suitable amount of water namely ranging between 100 to 1500 ml of water, but most preferably in 650 ml of water.
  • Table 1 below provides the components and the preferred ranges of a compressed tablet composition according to the present invention. Table 1
  • Table 2 below provides an example of a preferred composition in accordance to the present invention in compressed tablet format:
  • Table 3 below provides another example of a composition according to the present invention in compressed tablet format:
  • Table 3 a) BTC 2125 M P40 has a 40% purity rate.
  • Table 4 below provides an example of a composition according to the present invention in powder format:
  • Table 4 Table 5 below provides the preferred powder format in accordance to the present invention:
  • compositions of the present invention were made according to the generally known preparation process using the components listed in Tables 1-7 and were evaluated for their viscosity and rate of achieving such viscosity.
  • the viscosity for the following examples was measured at 20 ° C to 25 ° C using Brookfield Viscometer Brookfield RVDV, Spindle No.2, at 50 rpm.
  • the preferred embodiments are the compositions that can achieve the respective viscosity within 5 minutes to 15 minutes from the time the mixing of the solid composition in the water.
  • compositions of Tables 6 and 7 were tested for antimicrobial activity under European test method EN 13697 and EN1276 for evaluating antimicrobial efficacy of the compositions. These tests describe methods for establishing whether a product proposed as disinfectant has the bactericidal and/or fungicidal or yeasticidal activity on non-porous surfaces, closely simulating practical conditions of application.
  • the bacteria tested included Staphylococcus aureus, Enterococcus hirae, Pseudomonas aeruginosa and Escherichia coli.
  • the compositions of the resent invention pass the bio tests following the standards described for EN 1276 (S. aureus, P. aeruginosa, E. coli, E. hirae), EN 13697(S. aureus, P. aeruginosa, E. coli, E. hirae, A. brasiliensis, C.albicans), EN 1650(A. brasiliensis, C.albicans), and EN 14476: (SARS-Related Coronavirus 2).
  • EN 1276 the product undergoing this test shall demonstrate at least a 4, preferably 5 decimal log reduction for bacteria.
  • EN 13697 requires a 4 decimal log reduction for bacteria and at least a 3 decimal log reduction for fungi or yeast when tested in accordance with the respective applicable parameters.
  • the test is passed if the bacterial colonies forming units (cfu) are reduced from a 10 7 cfu (initial level) to a 10 3 cfu (final level after contact with the disinfecting product), a 10 4 reduction.
  • the results of the micro testing are found in Table 6 below.
  • the amounts of materials used are on a weight percent of weight of the tablet formed, as set out in Tables 1-3. The materials were used “as is” basis as received from the supplier.

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  • Chemical & Material Sciences (AREA)
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  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
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  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

La présente invention concerne une composition de nettoyage solide pour surfaces dures et des procédés d'utilisation associés, la composition contenant : de 20 % à environ 75 % en poids d'un système dispersant ; d'environ 5,0 % à environ 20 % en poids d'un système épaississant, constitué essentiellement de gomme d'hydroxypropyl guar ; d'environ 1 % à environ 25 % en poids, de préférence entre 2 % et environ 12 % d'un système tensioactif non ionique ; et d'environ 2 % à environ 50 % en poids d'un système biocide, la composition résultante fournissant une viscosité allant de 80 cP à 2000 cP lorsqu'elle est dissoute dans un solvant aqueux. L'invention concerne également des articles et des contenants pour le stockage, le mélange et l'utilisation de ces compositions.
EP22705865.8A 2021-02-16 2022-02-16 Compositions de nettoyage solides pour toilettes et cuvette de toilettes Pending EP4294902A1 (fr)

Applications Claiming Priority (2)

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GBGB2102168.8A GB202102168D0 (en) 2021-02-16 2021-02-16 Solid toilet bowl and lavatory cleaning compositions
PCT/GB2022/050422 WO2022175661A1 (fr) 2021-02-16 2022-02-16 Compositions de nettoyage solides pour toilettes et cuvette de toilettes

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AU (1) AU2022223365A1 (fr)
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GB2623945A (en) * 2022-10-27 2024-05-08 Reckitt Benckiser Power Cleaners B V Concentrated multipurpose hard surface cleaners

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
GB1418830A (en) 1973-02-26 1975-12-24 Jeyes Group Ltd Lavatory cleansing blokc
US4328110A (en) * 1980-09-17 1982-05-04 Beecham Inc. Fabric conditioning articles and methods of use
CA1182371A (fr) 1980-12-18 1985-02-12 Jeyes Group Limited Pain sanitaire pour reservoir de chasse
GB8416884D0 (en) * 1984-07-03 1984-08-08 Procter & Gamble Liquid cleansing composition
US5205955A (en) 1991-07-03 1993-04-27 Kiwi Brands, Inc. Lavatory cleansing and sanitizing blocks containing a halogen release bleach and a mineral oil stabilizer
GB0109763D0 (en) 2001-04-20 2001-06-13 Reckitt Benckiser Inc Improvements in and relating to organic compositions
GB2398571A (en) * 2003-02-22 2004-08-25 Reckitt Benckiser Inc Acidic hard surface cleaning and/or disinfecting composition
PL68269Y1 (pl) * 2013-05-31 2016-03-31 Zarębska Teresa Nata Butelka dwukomorowa
CN112175751A (zh) * 2020-01-20 2021-01-05 广州市晋康科技发展有限公司 一种固体洁厕剂及制备方法

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