WO2019100104A1 - Comprimé détergent - Google Patents

Comprimé détergent Download PDF

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Publication number
WO2019100104A1
WO2019100104A1 PCT/AU2018/000235 AU2018000235W WO2019100104A1 WO 2019100104 A1 WO2019100104 A1 WO 2019100104A1 AU 2018000235 W AU2018000235 W AU 2018000235W WO 2019100104 A1 WO2019100104 A1 WO 2019100104A1
Authority
WO
WIPO (PCT)
Prior art keywords
detergent
tablet
compartments
compositions
different
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.)
Ceased
Application number
PCT/AU2018/000235
Other languages
English (en)
Inventor
Phillip CRONK
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.)
Delpack Australia Pty Ltd
Original Assignee
Delpack Australia Pty 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
Priority claimed from AU2017904785A external-priority patent/AU2017904785A0/en
Application filed by Delpack Australia Pty Ltd filed Critical Delpack Australia Pty Ltd
Publication of WO2019100104A1 publication Critical patent/WO2019100104A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0078—Multilayered tablets
    • 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
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0091—Dishwashing tablets
    • 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

Definitions

  • the present invention relates to the field of detergent products. More particularly, the invention relates to a detergent tablet suited for use in automatic dishwashers.
  • Detergent tablets are popular amongst consumers due, in large part, to their convenience in handling and in their representing a pre-determined unit dose. This avoids the need for consumers to measure out appropriate doses of loose powder or liquid detergent and so minimises exposure to potential irritants within the detergent, such as bleach and enzymes.
  • a detergent tablet may have a compartment which provides a first detergent particularly useful in the cleaning phase and another compartment holding a further detergent which is particularly useful in the rinse phase.
  • the different detergent compositions are often not chemically compatible and hence the need to keep them physically separate.
  • the solution provided in the art is generally to provide the detergent tablet within an outer package made from a composition comprising a water-soluble polymer, such as poly(vinyl alcohol) (PVOH), by injection moulding or the like.
  • PVOH poly(vinyl alcohol)
  • the tablet itself may be formed from different layers with different dissolution rates.
  • the PVOH When exposed to the wash cycle in the wash tub, the PVOH will dissolve and so the detergent compositions are released.
  • the detergent tablet is generally formed during the injection moulding process to provide for walls or layers of differing thicknesses.
  • the invention resides in a detergent tablet comprising a tablet body defining an outer wall and a plurality of detergent compartments within the outer wall, wherein the body is substantially formed from a compressed particulate detergent composition and each of the plurality of detergent compartments comprises a detergent composition.
  • the tablet body may be formed from more than one layer.
  • Each layer may be formed from the same or a different particulate detergent composition.
  • the tablet body also defines a floor.
  • the tablet body defines the plurality of detergent compartments such that the compartments are open at both ends thereof.
  • the plurality of detergent compartments may be 2, 3, 4, or 5 separate compartments.
  • the detergent compositions within the plurality of detergent compartments may be the same or different.
  • At least two of the detergent compositions are different, having different dissolution rates.
  • the detergent compositions within the plurality of detergent compartments do not extend to the level of an upper surface of the tablet body.
  • the detergent compositions do not extend to the level of either a lower surface or upper surface of the tablet body.
  • the invention resides in a method of forming a detergent tablet of the first aspect including the steps of: (i) compressing a particulate detergent composition to form a tablet body defining an outer wall and a plurality of detergent compartments within the outer wall; and (ii) adding detergent compositions to each of the plurality of detergent compartments, to thereby form the detergent tablet.
  • the invention resides in the use of a detergent tablet of the first aspect in the cleaning of a soiled article.
  • FIG 1 shows a perspective view of a detergent tablet according to an embodiment of the present invention.
  • FIG 2 shows the detergent tablet of FIG 1 without detergent composition in the detergent compartments.
  • the present invention is predicated, at least in part, on the use of a compressed particulate detergent composition to form a detergent tablet but providing for at least two compartments within the body of the formed tablet which can hold detergent compositions different to that from which the tablet body is formed. This provides for simpler manufacturing and allows the entire tablet itself to be active in terms of detergent capability.
  • the compartments can hold a range of different detergent compositions which can then conveniently be exposed to the washing environment while the tablet body is also breaking down.
  • adjectives such as additional, and the like may be used solely to distinguish one element or action from another element or action without necessarily requiring or implying any actual such relationship or order.
  • Words such as“comprises” or“includes” are intended to define a non-exclusive inclusion, such that a composition or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed, including elements that are inherent to such a composition or method.
  • detergent in relation to both the tablet body and the detergents within the compartments formed within the body of the tablet, is to be construed broadly in that any composition which has an active function within a wash cycle may be considered a detergent. This term therefore explicitly takes in detergents which are designed to digest, break down or otherwise remove soiling, such as food, from the article being washed as well as those detergents whose main function is assisting in the rinse function, adding a shine to the cleansed article and the like. Any active component required for at least a portion of the wash cycle and being contained within the tablet body may, for the present purposes, be considered a“detergent”.
  • the invention resides in a detergent tablet comprising a tablet body defining an outer wall and a plurality of detergent compartments within the outer wall, wherein the body is substantially formed from a compressed particulate detergent composition and each of the plurality of detergent compartments comprises a detergent composition.
  • the body is greater than 60%, 70%, 80%, 85%, 90%, 95%, 97% or 99% formed from a compressed particulate detergent composition.
  • the body is formed entirely from a compressed particulate detergent composition.
  • the tablet body may define multiple walls or may be viewed as single continuous wall.
  • the wall(s) define the compartments and keep them separate, one from the other.
  • the detergent compartments may be separated one from the other by a divider which is part of the tablet body and is continuous with the outer wall.
  • the divider is also formed from the same particulate detergent composition as the rest of the tablet body.
  • the detergent compartments are physically separate, one from the next.
  • the separation is preferably by a wall which is part of the tablet body, as described.
  • the detergent compartments are therefore not wholly or even partially contained one within another but instead are separate, although preferably adjacent one another.
  • a detergent tablet comprising a tablet body defining an outer wall and a plurality of adjacent detergent compartments within the outer wall, each separated by a divider which separates the entirety of each detergent compartment, one from the other, wherein the body is substantially formed from a compressed particulate detergent composition and each of the plurality of separate detergent compartments comprises a detergent composition.
  • the tablet body may be formed from more than one layer.
  • Each layer may be formed from the same or a different particulate detergent composition. It may be desirable for each layer to provide for a different functionality or to use separate layers to contain active cleaning agents which are not compatible and so which could not sit within a single layer. The multiple layers can be compressed during tablet formation to adhere together.
  • the tablet body may be formed from up to 10 layers which may each be the same or different from the other layers. In embodiments there may be 2, 3, 4, 5, 6, 7, 8, and 9 different layers.
  • the particulate detergent composition from which the tablet body is formed may be selected from those known in the art for forming compressed particulate detergent tablets.
  • Such detergent tablets are well known and the basis on which different compositions may be selected, for example for stronger cleaning activity or faster dissolution, are known to the person of skill in the art.
  • One non-limiting example is given in the examples section for further guidance.
  • Active detergent components present in the particulate detergent composition may be prepared in combination with a carrier and/or a binder for example a polymer such as PEG or liquid silicate.
  • the particulate active detergent agents may be prepared by any known method, for example conventional spray drying, granulation or agglomeration. The particulate active detergent components are then compressed using suitable tablet press equipment known in the art.
  • the particulate detergent composition from which the tablet body is formed may comprise one or more of a disintegrant, a builder, a surfactant, a bleach and/or bleach activator, a corrosion inhibitor, an enzyme, a carbonate, a percarbonate, a silicate, a citrate, a sulfate or sulfite drying agent and the like.
  • Preferred active detergent components may include builder compound, surfactant, bleaching agent, bleach activator, bleach catalyst, enzyme and an alkalinity source.
  • Suitable surfactants are selected from anionic, cationic, nonionic ampholytic and zwitterionic surfactants and mixtures thereof. Common anionic, nonionic, ampholytic and zwitterionic classes, and species of these surfactants, can be found in U.S. Pat. No. 3,929,678 while suitable cationic surfactants are found in U.S. Pat. No. 4,259,217 and surfactants typically included in automatic dishwashing detergent compositions are listed in EP-A-0414 549 and PCT Applications Nos. WO 93/08876 and WO 93/08874, all of which documents are incorporated by reference herein in their entirety.
  • Inorganic or phosphorous-containing builders include, but are not limited to, the alkali metal, ammonium and alkanolammonium salts of polyphosphates (such as the tripolyphosphates, pyrophosphates, and glassy polymeric meta-phosphates), phosphonates, phytic acid, silicates, carbonates (including bicarbonates and sesquicarbonates), sulphates, and aluminosilicates.
  • Silicate builders include the alkali metal silicates.
  • Bleaches may include chlorine and oxygen bleaching agents.
  • Bleach ativators may also be present and may include one or more of tetraacetyl ethylene diamine (TAED), benzoylcaprolactam (BzCL), 4- nitrobenzoylcaprolactam, 3-chlorobenzoyl-caprolactam, benzoyloxybenzenesulphonate (BOBS), nonanoyloxybenzene-sulphonate (NOBS), phenyl benzoate (PhBz), decanoyloxybenzenesulphonate (C-io-OBS), benzoylvalerolactam (BZVL), octanoyloxybenzenesulphonate (Cs-OBS), and perhydrolyzable esters.
  • TAED tetraacetyl ethylene diamine
  • BzCL benzoylcaprolactam
  • 4- nitrobenzoylcaprolactam 3-chlorobenzoyl-caprolactam
  • Suitable enzymes will include the usual proteases, lipases, cellulases, amylases, peroxidases and the like which are well known to the person skilled in the art of detergent formulation.
  • Buffering agents may also be included and selected from typical carbonates, silicates, citrates, acids, bicarbonates, hydroxides and the like.
  • the tablet When formed, the tablet may also be provided with an outer coating of a water-soluble material to protect the tablet during handling.
  • the coating layer may comprise a material selected from the group consisting of fatty acids, alcohols, diols, esters and ethers, adipic acid, carboxylic acid, dicarboxylic acid, polyvinyl acetate (PVA), poly(vinyl alcohol) (PVOH), polyvinyl pyrrolidone (PVP), polyacetic acid, polyethylene glycol (PEG) and mixtures thereof.
  • PVOH in the form of a simple coating or bag into which the tablet is placed and the bag heat sealed may be appropriate.
  • the tablet body also defines a floor.
  • the tablet body therefore defines continuous outer wall(s) and a floor such that the compartments it defines are open only at one face of the tablet and so the detergent compositions can be simply poured or injected into the compartments without concern over loss through a further bottom face opening.
  • the tablet body defines the plurality of detergent compartments such that the compartments are open at both ends thereof.
  • the floor is absent and so it may be necessary to add the subsequent detergent compositions in multiple small additions whereby a small portion is added hot and is allowed to dry to form a floor and then further detergent composition can be added on top.
  • a thin coating may be applied as a temporary floor to allow for filling of the compartments and the temporary floor is then either removed or it may quickly dissolve in the wash cycle.
  • the plurality of detergent compartments may be 2, 3, 4, or 5 separate compartments.
  • the detergent compositions within the plurality of detergent compartments may be the same or different.
  • At least two of the detergent compositions are different having different dissolution rates.
  • the detergent compositions within the plurality of detergent compartments may be selected from granular detergents, liquid detergents and gel detergents but at least one of the detergent compositions is not a compressed particulate detergent. That is, the at least one, and preferably all, of the detergent compositions within the plurality of detergent compartments are different in composition from the particulate detergent forming the tablet body.
  • each detergent composition therein is different in composition from the particulate detergent forming the tablet body.
  • each of the 2 detergent compositions is different from the particulate detergent forming the tablet body and is different each from the other.
  • the detergent compositions within the plurality of detergent compartments may be coated to contain the compositions.
  • the coating may be with a water-soluble polymer, as described above, or a gel coating which is also water-soluble.
  • the differing dissolution rates may be set based upon the nature of the gel coating or the thickness of the gel coating or the nature of the detergent composition itself.
  • the detergent compositions may be selected from those known in the art. In a preferred embodiment, at least two of the detergent compositions within the compartments are gel compositions. In certain embodiments, all of the detergent compositions within the compartments are gel detergent compositions.
  • Gel compositions have the advantage of being able to be hot injected into the compartments and then quickly solidifying such that they do not necessarily need to be coated to prevent loss of material. Gel compositions can also easily be tailored to give a particular release rate within the wash cycle.
  • the gel compositions may comprise, thickeners, diluents, drying agents, gelling agents, surfactants, detergent actives, builders, bleaching agents and the like. These may be selected from those already discussed above. Suitable diluents include alkylene glycol mono lower alkyl ethers, propylene glycols, ethoxylated or propoxylated ethylene or propylene, ethoxylated alcohol, polycarboxylates, glycerol esters, glycerol triacetate, lower molecular weight polyethylene glycols, lower molecular weight methyl esters and amides, and the like.
  • Gelling agents may be selected from castor oil derivatives, polyethylene glycol, sorbitols and related organic thixatropes, organoclays, cellulose and cellulose derivatives, pluronics, stearates and stearate derivatives, sugar/gelatin combination, starches, glycerol and derivatives thereof, organic acid amides such as N-lauryl-L-glutamic acid di-n-butyl amide, polyvinyl pyrrolidone and mixtures thereof.
  • Detergent active components in the detergent compositions within the detergent compartments or within the tablet body may include builder compounds, surfactants, enzymes, bleaching agents, alkalinity sources, colorants, perfume, lime soap dispersants, organic polymeric compounds including polymeric dye transfer inhibiting agents, crystal growth inhibitors, heavy metal ion sequestrants, metal ion salts, enzyme stabilizers, corrosion inhibitors, suds suppressers, solvents, fabric softening agents, optical brighteners and hydrotropes.
  • the gel compositions may also comprise a colouring agent. This may be to indicate differing functionality of the detergent composition. For example, one colour may indicate a rinse aid while another may indicate a composition important in active cleaning. It may be that the colours are simply visually pleasing to the consumer. The colours may be chosen from blue, green, purple, yellow, orange, red and the like.
  • the detergent tablet may comprise two detergent compartments and one may have a green coloured detergent composition which is formulated so as to be a quick dissolving composition which assists with active cleaning of food from the article and the second compartment may contain a yellow coloured detergent composition which is formulated so as to assist with the rinse phase and leaving a shine on glasses and cutlery.
  • the detergent compositions within the plurality of detergent compartments do not extend to the level of an upper surface of the tablet body.
  • the detergent compositions may be added into their respective compartments until just below the level of the face or surface of the tablet onto which the compartment opens. Having the composition just below this level provides a significant commercial benefit in providing for tablets which are stackable without the detergent composition of one tablet contacting an upper or lower adjacent tablet.
  • the detergent compositions do not extend to the level of either a lower surface or upper surface of the tablet body. Once again, this allows the tablets to be conveniently stacked either during manufacturing, storage or prior to use.
  • FIGs 1 and 2 indicate an embodiment of a detergent tablet of the invention.
  • Detergent tablet 10 has a body 15 which has continuous outer wall 20 having an upper surface 25. Formed by the wall 20 and upper surface 25 (and divider 40 as described below) are two detergent compartments 30 and 35 which may each comprise a gel detergent composition which may each be different, one from the other.
  • gel detergent composition in compartment 30 may be a fast dissolving composition for active cleaning while the gel detergent composition in compartment 35 may be a slower dissolving composition especially formulated for rinsing and leaving a shine on utensils, glasses and the like.
  • FIG 2 shows the tablet 10 prior to filling the compartments 30 and 35.
  • the compartments 30 and 35 are separated within the body 15 by a divider 40 which is continuous with outer wall 20.
  • the upper surface 25 may join the outer wall 20 via a chamfered portion 45.
  • the body 15 itself may be formed from two separate layers 50 and 55 which, while each being formed from a particulate detergent composition, may differ in composition to provide differing cleaning effects or may simply differ in colourant for a pleasing visual effect.
  • the particular shape of the tablet 10 or indeed the walls 20 and detergent compartments 30 and 35 are not particularly limited in any way. So long as they are fit for purpose then any shape may be appropriate.
  • the gel detergent compositions in compartments 30 and 35 do not fill the compartments all the way up to the level of the upper surface 25. That is, there is a gap between the gel composition outer surface and the level of the upper surface 25 which results in the ability to stack multiple tablets 10 without contamination between gel detergent compositions and the tablet body of adjacent tablets.
  • the tablets 10 may or may not have a floor resulting in either a single or dual opening for the compartments 30 and 35. Further, while also not shown in the figures, the final commercial product of tablet 10 may be located within a water-soluble polymer sachet, such as a PVOH sachet.
  • the invention resides in a method of forming a detergent tablet of the first aspect including the steps of: (i) compressing a particulate detergent composition to form a tablet body defining an outer wall and a plurality of detergent compartments within the outer wall; and (ii) adding detergent compositions to each of the plurality of detergent compartments, to thereby form the detergent tablet.
  • the invention resides in the use of a detergent tablet of the first aspect in the cleaning of a soiled article.
  • the detergent tablet for the second and third aspects may be as described in any one or more embodiments of the first aspect.
  • the compressing step is performed using a tablet press.
  • the detergent compositions are injected at a temperature above room temperature (23 degrees Celsius) to each of the plurality of detergent compartments.
  • the cleaning is of a soiled article within a dishwasher.
  • the soiled article is an eating or drinking receptacle or utensil.
  • Plates, bowls, cups, glasses, knives, forks, spoons and the like are non- limiting examples of such eating or drinking receptacles or utensils.
  • Table 1 indicates one guide to form the tablet body made from the particulate detergent. The ranges provided allow for modification based upon desired activity and disintegration/dissolution rates and the person skilled in the art will be aware of how to adjust accordingly.
  • Table 2, below provides a guide to a suitable gel detergent composition suitable for use in a detergent compartment according to the invention.
  • the following working steps may be taken to produce a detergent tablet of the first aspect.
  • the tablet body may be formed using the guide in table 1 and the gel detergent compositions for the detergent compartments may be within the guide set out in table 2:
  • tablet body particulate composition into tablet press and press to shape
  • tablet press will allow for formation of multiple detergent compartments during pressing

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un comprimé détergent qui comprend un corps de comprimé définissant une paroi extérieure et une pluralité de compartiments de détergent séparés formés à l'intérieur de la paroi extérieure. Le corps de comprimé est sensiblement formé à partir d'une composition de détergent particulaire comprimée et chaque compartiment de la pluralité de compartiments de détergent comprend une composition de détergent.
PCT/AU2018/000235 2017-11-27 2018-11-27 Comprimé détergent Ceased WO2019100104A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2017904785A AU2017904785A0 (en) 2017-11-27 Detergent tablet
AU2017904785 2017-11-27

Publications (1)

Publication Number Publication Date
WO2019100104A1 true WO2019100104A1 (fr) 2019-05-31

Family

ID=66630417

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2018/000235 Ceased WO2019100104A1 (fr) 2017-11-27 2018-11-27 Comprimé détergent

Country Status (1)

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WO (1) WO2019100104A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022207197A1 (fr) * 2021-04-01 2022-10-06 Henkel Ag & Co. Kgaa Unité de détergent à dose unique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999024550A1 (fr) * 1997-11-10 1999-05-20 The Procter & Gamble Company Elaboration d'une pastille de detergent
WO1999027068A1 (fr) * 1997-11-26 1999-06-03 The Procter & Gamble Company Pastille de detergent
US20080004202A1 (en) * 2004-04-28 2008-01-03 Henkel Kgaa Method for the Production of Detergent or Cleaning Agents

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999024550A1 (fr) * 1997-11-10 1999-05-20 The Procter & Gamble Company Elaboration d'une pastille de detergent
WO1999027068A1 (fr) * 1997-11-26 1999-06-03 The Procter & Gamble Company Pastille de detergent
US20080004202A1 (en) * 2004-04-28 2008-01-03 Henkel Kgaa Method for the Production of Detergent or Cleaning Agents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022207197A1 (fr) * 2021-04-01 2022-10-06 Henkel Ag & Co. Kgaa Unité de détergent à dose unique

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