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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/50—Solvents
  • C11D7/5004—Organic solvents
  • C11D7/5022—Organic solvents containing oxygen
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
  • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
  • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
• • 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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0031—Carpet, upholstery, fur or leather cleansers
• • 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
  • C11D3/39—Organic or inorganic per-compounds
  • C11D3/3947—Liquid 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/02—Inorganic compounds
  • C11D7/04—Water-soluble compounds
  • C11D7/06—Hydroxides

Definitions

• This invention relates generally to cleaning carpets and the like, and more particularly, to compositions which sanitize such carpets.
• volatile means materials that tend to pass into the vapor state at conditions prevalent in human occupied facilities (room temperature (15°-30°C) and prevalent atmospheric pressure).
• the term "sanitize” or “sanitized” means a 99.9% reduction of test bacteria over a scrubbed control as described in DIS/TSS-8, dated February 6, 1979, of the United States Environmental Protection Agency, as modified April 13, 1981, and May 27, 1981.
• Sanitizing liquid carpet shampoos are known from, for example, U.S. Patent No. 4,490,270 to Hackett et al.
• This patent discloses an aqueous solution for use in cleaning and sanitizing carpets and the like, consisting of surfactant, inorganic phosphate, glutaraldehyde, solvent and brightener.
• U.S. Patent No. 3,904,361 to Egger discloses the sterilization of packaging material by applying a film of sterilizing liquid which may include hydrogen peroxide.
• U.S. Patent No. 4,512,951 to Koubek discloses a method for sterilizing medical articles by vapor penetration and direct liquid sterilant contact in which the vapor mixture includes hydrogen peroxide.
• U.S. Patent No. 4,557,898 to Greene et al. discloses an aqueous acidic disinfecting and sterilizing composition which contains hydrogen peroxide claimed to be useful for disinfecting and sterilizing metal, ceramic and plastic surfaces.
• U.S. Patent No. 4,943,414 to Jacobs et al. discloses a method and device for vapor sterilizing the lumen of medical instruments and the like.
• the liquid sterilant solution may contain hydrogen peroxide.
• U.S. Patent No. 3,607,760 to McIntyre discloses a solution, dilute in hydrogen peroxide, for removing pet stains from carpeting.
• U.S. Patent No. 4,347,149 and U.S. Patent No. 4,497,725, both to Smith et al. disclose a laundry bleaching composition which contains hydrogen peroxide. The patent discloses that when used as a bleaching composition, the solution is quite dilute. Incidentally, these patents also disclose that the bleaching agent may be used as a hard surface cleaner.
• a carpet spot remover is known from co-owned U.S. Patent Application Serial Nos. 07/462,919, filed January 8, 1990, and 07/650,353, filed February 4, 1991, which have a similar or identical formula to the present invention.
• the use of that spot remover as a general cleaner on an entire installation of carpet or as a sanitizer is not knob
• One embodiment of the present invention provides a two-part aqueous solution composition for use in cleaning and sanitizing carpets and the like that consists essentially of (in percents by weight), a first part comprising from about 3 to about 15 percent peroxide, and the balance water; and a second part comprising optionally up to about 5% of volatile ammoniated substance, up to about 60% volatile wetting agent, and the balance water.
• Another embodiment of the present invention provides A method for sanitizing carpet and the like comprising (a) treating the carpet with an aqueous solution consisting essentially of in parts by weight of the total composition from about 3 to about 15 percent peroxide, up to 30% volatile wetting agent, optionally, a volatile ammoniated substance, and the balance water, said treating in an amount sufficient to comply with the Efficacy Data Requirements known as DIS/TSS-8, and (b) allowing the carpet to dry without deposition of a residue from the solution.
• an aqueous solution consisting essentially of in parts by weight of the total composition from about 3 to about 15 percent peroxide, up to 30% volatile wetting agent, optionally, a volatile ammoniated substance, and the balance water, said treating in an amount sufficient to comply with the Efficacy Data Requirements known as DIS/TSS-8, and (b) allowing the carpet to dry without deposition of a residue from the solution.
• the present invention involves carpet sanitizing compositions and methods which comply with the EPA efficacy requirements for such. These compositions are essentially volatile so that, after sanitizing, there remains substantially no residue to harbor bacteria.
• the compositions may contain peroxide, a volatile wetting agent, and an ammoniated substance.
• aqueous shampoo compositions of the present invention are mixtures of ingredients so that the solution applied to carpet has between about 3% and about 15% of a peroxide.
• the composition contains up to 30% of a volatile wetting agent.
• the composition may contain ammonia or other volatile ammoniated compounds.
• Peroxides that are useful in the present invention include hydrogen peroxide or any compound which, in aqueous composition, yields hydrogen peroxide and is volatile so that it does not leave a residue.
• the preferred oxidizing agent is hydrogen peroxide.
• Ammoniated substances useful in the present invention should be volatile under the conditions found in standard hospital and health care facilities. These substances include ammonia and tetrabutyl ammonia hydroxide, as well as certain other ammoniated substances.
• the suggested amounts of ammonia and other volatile ammoniated compounds should be within the range of about .1% to 5%.
• wetting agents useful in the present invention should be volatile as well. Generally, preferable wetting agents are miscible with water and organically based. Especially preferred are wetting agents that also have sanitizing ability.
• Two classes of useful wetting agents are glycols and lower aliphatic alcohols. Exemplary alcohols include water soluble alcohols containing up to 5 carbon atoms, such as methyl alcohol, ethyl alcohol, N-propyl alcohol, isopropyl alcohol, sec-butyl alcohol, and tert-butyl alcohol. The presently preferred alcohol is isopropyl alcohol.
• Exemplary glycols include glycerol, ethylene glycol, propylene glycol, and trimethylene glycol. Mixtures of these alcohols and glycols are included, too.
• the suggested amounts of wetting agent should be no more than 30%.
• a first embodiment of the present invention is a two-part composition.
• the first part is an aqueous peroxide solution
• the second part is an aqueous solution containing a volatile wetting agent that is a sanitizer and, optionally, an ammoniated substance.
• the two parts are mixed prior to use to give a desired final concentration having between about 3% and about 15% peroxide.
• the first part preferably contains between about 5% and 29% hydrogen peroxide, with the balance being deionized water.
• the second part contains up to 60% volatile wetting agent, particularly about 4% wetting agent, the balance being water and, optionally, up to about 10% of volatile ammoniated substance.
• the two-part system of the invention is preferably mixed just prior to application to greatly enhance the final composition stability. This two-part system is quite stable and does not require stabilizers.
• the parts are mixed to obtain, after mixture, about 3%-15% peroxide (preferably about 10%), up to about 30% wetting agent (preferably about 2%), and about 0.1% to 5% ammoniated substance.
• the two parts may be provided in a number of ways.
• the parts may be provided in two separate containers and mixed in equal parts (or as required to obtain the desired final formulation) in a third container soon before use. The mixture is then applied to the stained material according to the method described below.
• the two parts may be supplied in a single partitioned container where the partition prevents the parts from mingling prior to use.
• This type of container may be fitted with a spray nozzle which draws from each part and mixes the parts in the spray.
• this type of nozzle is provided with one-way valves to prevent the mixed solution from flowing back into the receptacles.
• the two parts can be separately sprayed in appropriate volumes directly onto the stain.
• Another embodiment of the present invention is an aqueous solution sanitizing composition.
• This composition contains from about 3% to about 15% peroxide, up to about 30% of a volatile wetting agent and, optionally, an ammoniated substance and, preferably, the balance water.
• a third embodiment of the present invention involves a method of sanitizing using the sanitizing compositions above.
• This method includes applying the aqueous sanitizing compositions to carpet and the like to be sanitized. Since the components are all volatile, they do not leave a residue on the carpet, which would attract dirt and bacteria Therefore, the carpet remains sanitized for a long period of time.
• standard carpet cleaning equipment which first applies the sanitizer and then suctions as much of the aqueous composition into a reservoir for disposal is preferable.
• the sanitizer destroys substantially all bacteria and then evaporates without leaving a residue. After the treated carpet is allowed to air dry, i.e. dry under ambient conditions, it may be extracted with hot water to remove the dead bacteria.
• the present invention is useful on any synthetic fiber carpet or the like or natural fiber which is not alkaline sensitive.
• fibers include those made from synthetic thermoplastic polymers which are capable of being formed into fibers, such as by melt extrusion, including polyolefins, for example, homopolymers of olefins such as low density polyethylene, high density polyethylene, polypropylene, and the like.
• polyolefins for example, homopolymers of olefins such as low density polyethylene, high density polyethylene, polypropylene, and the like.
• Copolymers of olefins with other ethylenically unsaturated monomers such as ethylenepropylene copolymers and ethylenebutene copolymers and the like find particular application with the present invention.
• Fibers made from polyamides also find particular application with the present invention.
• polyamides include homopolyamides and copolyamides which are obtained by the polymerization of lactam of aminocaprionic acid or a copolymerization product from mixtures of diamines together with dicarboxylic acids or mixtures of lactams.
• Typical polyamides include nylon 6, nylon 6,6, nylon 6,10, nylon 6,12, nylon 11, nylon 12, copolymers thereof, or mixtures thereof.
• Polyamides can also be copolymers of nylon 6 or nylon 6,6 and a nylon salt obtained by reacting a dicarboxylic acid component such as terephthalic acid, isophthalic acid, adipic acid, or sebacic add with a diamine such as hexamethylenediamine or 1,4-bisaminomethylcyclohexane.
• Fibers made from polyester also find particular application with the present invention.
• the preferred polyesters are the linear terephthalate polyesters, i.e., polyesters of a glycol containing from 2 to 20 carbon atoms and a dicarboxylic acid comprising at least about 75% terephthalic acid.
• the remainder, if any, of the dicarboxylic component may be any suitable dicarboxylic acid, such as sebacic acid, adipic acid, isophthalic acid, sulfonyl-1, 4-4-dibenzoic acid, or 2,8-dibenzofurandicarboxylic acid.
• linear terephthalate polyesters which may be employed include poly(ethylene terephthalate), poly(butylene terephthalate), poly(ethylene terephthalate/5-chloroisophthalate), poly(ethylene terephthalate), poly(butylene terephthalate), poly(ethylene terephthalate/5-chloroisophthalate), poly(ethylene terephthalate/5-[sodium sulfo]-isophthalate), and poly(cyclohexane-1,4-dimethylene terephthalate/hexahydroterephthalate).
• the present invention is also useful with fibers made from polyacrylonitrile homopolymers and copolymers.
• test carpets used are as follows:
• Test Solution Part A and Part B were mixed in equal parts to give a solution having 9.8% hydrogen peroxide, 0.6% saturated ammonia, 2.0% isopropanol and 87.6% deionized water.
• the Test Solution is prepared.
• the Test Solution is sprayed on the carpet at a rate of thirty milliliters per seventy-two square inches.
• sterile water containing 0.01% isooctylphenoxy-polyethoxyethanol is applied in the same manner to 4 additional squares of each carpet type.
• test bacteria is extracted from each carpet square in neutralizer broth containing 1% of a suitable defoaming agent (Pluronic 25R2). Plate counts are performed in serial dilutions in neutralizer plate count agar. Results are as follows (average of two). The range represents the largest count per sample less the smallest count per sample.
• TEST BACTERIA PSEUDOMONAS AEROGINOSA Sample ID Standard Plate Count ("SPC")* Range Control Carpet Sample A 1,970,000 3,140,000 Control Carpet Sample B 4,850,000 1,500,000 Control Carpet Sample C 4,175,000 3,050,000 Sanitized Carpet Sample A ⁇ 1 ⁇ 1 Sanitized Carpet Sample B ⁇ 1 ⁇ 1 Sanitized Carpet Sample C ⁇ 1 ⁇ 1 * per ml of extraction fluid
• TEST BACTERIA STAPHYLOCOCCUS AUREUS Sample ID Standard Plate Count* Range Control Carpet Sample A 6,996,000 3,110,000 Control Carpet Sample B 763,000 124,000 Control Carpet Sample C 6,500,000 5,000,000 Sanitized Carpet Sample A ⁇ 1 ⁇ 1 Sanitized Carpet Sample B ⁇ 1 ⁇ 1 Sanitized Carpet Sample C ⁇ 1 ⁇ 1 * per ml of extraction fluid
• TEST BACTERIA ENTERBACTER AEROGENES Sample ID Standard Plate Count* Range Control Carpet Sample A 5,865,000 1,270,000 Control Carpet Sample B 2,915,000 770,000 Control Carpet Sample C 5,200,000 1,200,000 Sanitized Carpet Sample A ⁇ 1 ⁇ 1 Sanitized Carpet Sample B ⁇ 1 ⁇ 1 Sanitized Carpet Sample C ⁇ 1 ⁇ 1 * per ml of extraction fluid
• Test Solution shows a nearly 100% reduction in bacterial growth of all three species inoculated onto three test carpets (A, B, and C) as described in the introduction. This meets the performance requirements set forth by the United States Environmental Protection Agency in accordance with test procedure DIS/TSS-8 developed and used by the EPA.

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Wood Science & Technology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Emergency Medicine (AREA)
• Textile Engineering (AREA)
• Detergent Compositions (AREA)
• Cosmetics (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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Cited By (4)

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• 1992
  • 1992-12-10 CA CA002085059A patent/CA2085059C/fr not_active Expired - Fee Related
• 1993
  • 1993-05-07 EP EP19930107409 patent/EP0570775A3/fr not_active Withdrawn
  • 1993-05-07 SG SG1996006317A patent/SG49127A1/en unknown
  • 1993-05-07 IL IL10563493A patent/IL105634A/en not_active IP Right Cessation
  • 1993-05-19 NO NO931833A patent/NO931833L/no unknown
  • 1993-05-20 AU AU38682/93A patent/AU3868293A/en not_active Abandoned
  • 1993-05-21 KR KR1019930008752A patent/KR930023538A/ko not_active Ceased
  • 1993-05-21 FI FI932333A patent/FI932333A7/fi unknown
  • 1993-05-21 JP JP5119475A patent/JPH0680991A/ja active Pending
  • 1993-06-03 TW TW082104443A patent/TW228547B/zh active

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