EP4695372A1 - Dishwashing detergent composition - Google Patents

Dishwashing detergent composition

Info

Publication number
EP4695372A1
EP4695372A1 EP24718195.1A EP24718195A EP4695372A1 EP 4695372 A1 EP4695372 A1 EP 4695372A1 EP 24718195 A EP24718195 A EP 24718195A EP 4695372 A1 EP4695372 A1 EP 4695372A1
Authority
EP
European Patent Office
Prior art keywords
dishwashing
detergent composition
detergent
derivative
automatic dishwashing
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
EP24718195.1A
Other languages
German (de)
French (fr)
Inventor
Alias Younis AL-BAYATI
Marco Haag
Torsten Roth
Itahisa SUAREZ
Divya VARADHARAJAN
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 Finish BV
Original Assignee
Reckitt Benckiser Finish BV
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 Benckiser Finish BV filed Critical Reckitt Benckiser Finish BV
Publication of EP4695372A1 publication Critical patent/EP4695372A1/en
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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites
    • 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
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate
    • 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
    • C11D3/37—Polymers
    • C11D3/3788—Graft polymers
    • 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 to a dishwashing, preferably an automatic dishwashing, detergent composition.
  • the invention further relates to a dishwashing, preferably an automatic dishwashing, water-soluble container.
  • Non-polymeric phosphorus containing compounds such as phosphonates, and copolymeric compounds having at least one monomeric unit of an acrylate such as polyacrylates have been widely used in dishwashing, preferably auto- matic dishwashing, detergent compositions in the last decades. However, these traditional compounds are regarded as non-readily biode- gradable and non-sustainable.
  • dish- washing detergent composition which shall ensure a shine performance being at least comparable to the commonly used dishwashing detergent compositions comprising high amounts of these phosphonates and polyacrylates; while at the same time these inventive dishwashing detergent compositions comprise much lower amounts of these non-biodegradable and non-sustainable compounds.
  • inventive dishwashing detergent composition comprising new biodegradable and sustainable compounds, in particular polymeric compounds, which are offering a promising approach to reduce the amount of non-biodegradable and non-sustain- able compounds in dishwashing detergent compositions.
  • a dishwashing preferably an automatic dishwashing, detergent composition having all features of claim 1.
  • Appropriate modifications to the inventive dishwashing, preferably an automatic dishwashing, detergent composition are protected in dependent claims 2 to 12.
  • Claim 13 re- lates to a dishwashing, preferably an automatic dishwashing, water-soluble con- tainer.
  • Claims 14 and 15 are appropriate modifications of such a container.
  • the present invention accordingly provides a dishwashing, preferably an automatic dishwashing, detergent composition, wherein the detergent composi- tion comprises at least a non-polymeric phosphorus containing compound, at PAT15672-WO-PCT least a copolymeric compound having at least one monomeric unit of an acrylate, at least a poly(epoxysuccinic acid) or a derivative thereof, and at least a malto- dextrin grafted with a polycarboxylic acid or a derivative thereof; wherein the de- tergent composition is substantially free, preferably completely free, of poly(as- partic acid) or a derivative thereof.
  • the detergent composi- tion comprises at least a non-polymeric phosphorus containing compound, at PAT15672-WO-PCT least a copolymeric compound having at least one monomeric unit of an acrylate, at least a poly(epoxysuccinic acid) or a derivative thereof, and at least a malto- dex
  • dishwashing detergent composition preferably an automatic dishwashing, detergent composition, which does not ex- hibit the aforementioned shortcomings of the known prior art dishwashing deter- gent compositions.
  • the dishwashing detergent composition of the present inven- tion ensures a shine performance being at least comparable to the commonly used dishwashing detergent compositions comprising high amounts of these phosphonates and polyacrylates; while at the same time these inventive dish- washing detergent compositions comprise much lower amounts of these non- biodegradable and non-sustainable compounds.
  • the inventive dishwashing detergent composition of the present in- vention comprises two new biodegradable and sustainable compounds, in partic- ular polymeric compounds, which are offering a promising approach to reduce the amount of non-biodegradable and non-sustainable compounds in dishwash- ing detergent compositions.
  • Table 1 exhibits the comparative and inventive example basis formulation.
  • Table 2 exhibits long term shine performance tests for comparative and inventive formulations.
  • PAT15672-WO-PCT Table 3 exhibits long term shine performance tests for comparative and inventive formulations.
  • Table 4 exhibits long term shine performance tests for comparative and inventive formulations.
  • Table 5 exhibits short term shine performance tests for comparative and inventive formulations.
  • Table 6 exhibits long term shine performance tests for comparative and inventive formulations.
  • substantially free means in the context of the present invention a concentration of less than 0.25 wt%, preferably less than 0.2 wt%, and more preferably less than 0.1 wt%.
  • derivative means in the context of the present invention that the defined acid group has been reacted with a respective reaction partner, such as an alcohol, an amine or another acid, to a respective ester, amide or anhydride.
  • the expression “derivative” means also in the context of the present invention a transformation of the free acid to the respective acid salt.
  • poly(aspartic acid) means in the context of the present invention poly L-aspartic acid, poly D-aspartic acid, and poly-( ⁇ , ⁇ )-DL-aspartic acid.
  • the expression “at least a” means in the context of the present invention “one or more than one”.
  • the phosphorus containing compound is a non-nitrog- enous bisphosphonate, preferably etidronic acid (HEDP).
  • HEDP etidronic acid
  • the detergent composition is substantially free, pref- erably completely free, of any homopolymer having a monomeric unit of an acry- late.
  • the copolymeric compound comprises solely one monomeric unit of an acrylate.
  • the copolymeric compound further comprises at least one monomeric unit having a sulfonic acid group or a derivative thereof.
  • the copolymeric compound comprises acrylic acid and 2-Acrylamido-2-methylpropane sulfonic acid as monomeric units; wherein prefer- ably the copolymeric compound consists essentially of acrylic acid and 2- Acrylamido-2-methylpropane sulfonic acid as monomeric units.
  • Exemplary sources for such a copolymeric compound include but are not limited to products sold by DOW under the tradename Acusol TM 588.
  • the expression “consists essentially” means in the context of the present invention a concentration of less than 10 wt%, preferably less than 5 wt%, and more preferably less than 2 wt% of any other monomeric units being part of the respective copolymeric compound.
  • a number average molecular weight measured by gel permeation chromatography [GPC]
  • GPC gel permeation chromatography
  • the detergent composition comprises 0.1 to 10 wt%, preferably 0.2 to 8 wt%, and more preferably 0.3 to 6 wt% of the non-polymeric phosphorus containing compound.
  • These weight percentage values given for said non-polymeric phosphorus containing compound mean in the context of the present invention the total weight PAT15672-WO-PCT percentage values of all non-polymeric phosphorus containing compounds of the respective dishwashing detergent composition.
  • the detergent composition comprises 0.3 to 10 wt%, preferably 0.6 to 8 wt%, and more preferably 1.2 to 6 wt% of the copolymeric compound having at least one monomeric unit of an acrylate.
  • the detergent composition comprises 0.3 to 20 wt%, preferably 1 to 15 wt%, and more preferably 2.5 to 7 wt% of the poly(epoxy- succinic acid) [PESA] or a derivative thereof.
  • weight percentage values given for said poly(epoxysuccinic acid) or a derivative thereof mean in the context of the present invention the total weight percentage values of all poly(epoxysuccinic acid)s or a derivative thereof of the respective dishwashing detergent composition.
  • a number average molecular weight (measured by gel permeation chromatography [GPC]) of the poly(epoxysuccinic acid) or a derivative thereof ranging from 200 to 3000 g/mol, preferably from 300 to 2000 g/mol, and more preferably from 400 to 1500 g/mol is suitable.
  • the detergent composition comprises 0.7 to 15 wt%, preferably 1.5 to 10 wt%, and more preferably 2.5 to 7 wt% of the maltodextrin grafted with a polycarboxylic acid or a derivative thereof.
  • Exemplary sources for such a maltodextrin grafted with a polycarboxylic acid or a derivative thereof in- clude but are not limited to products sold by Nouryon under the tradename Al- coguard TM H5941.
  • the detergent composition comprises the non-poly- meric phosphorus containing compound and the poly(epoxysuccinic acid) or a derivative thereof in a weight % ratio of 2:1 to 1:20, preferably of 1.5:1 to 1:16, and more preferably of 1:1 to 1:12.
  • the detergent composition comprises the poly(epoxy- succinic acid) or a derivative thereof, and the maltodextrin grafted with a polycar- boxylic acid or a derivative thereof in a weight % ratio of 5:1 to 1:3, preferably of 3.5:1 to 1:2, and more preferably of 2.1:1 to 1:1.6.
  • the detergent composition comprises the non-poly- meric phosphorus containing compound and the copolymeric compound having at least one monomeric unit of an acrylate in a weight % ratio of 1:0.5 to 1:20, preferably of 1:0.7 to 1:15, and more preferably of 1:0.8 to 1:10.
  • the detergent composition comprises the non-poly- meric phosphorus containing compound and the maltodextrin grafted with a pol- ycarboxylic acid or a derivative thereof in a weight % ratio of 5:1 to 1:30, prefer- ably of 3:1 to 1:25, and more preferably of 2:1 to 1:20.
  • a dishwash- ing preferably an automatic dishwashing, water-soluble container
  • said PAT15672-WO-PCT water-soluble container is made of a thermoformed water-soluble film comprising poly(vinyl alcohol) and wherein said water-soluble container is at least partially filled with such an inventive dishwashing, preferably an automatic dishwashing, detergent composition; wherein said detergent composition is preferably a solid detergent composition.
  • solid detergent composition means in the context of the present invention preferably a dishwashing detergent composition in form of a powder. In cases, wherein said detergent composition of the present invention is not a solid detergent composition, it is provided in form of a liquid or a gel.
  • said water-soluble container comprises at least a first compartment and at least a second compartment; wherein said at least first compartment is at least partially filled with such an inventive dishwash- ing, preferably an automatic dishwashing, detergent composition, wherein said detergent composition is preferably a solid detergent composition.
  • said water-soluble con- tainer further comprises at least a third compartment; wherein said at least sec- ond compartment is at least partially filled with a liquid dishwashing, preferably a liquid automatic dishwashing, detergent composition, and wherein said at least third compartment is at least partially filled with a solid dishwashing, preferably a solid automatic dishwashing, detergent composition or with a dishwashing, pref- erably an automatic dishwashing, detergent composition in form of a gel.
  • the first compartment and the third compartment are both at least partially filled with a solid detergent composition, it is not necessarily the same solid detergent composition.
  • the present invention thus addresses the problem of providing a dish- washing, preferably an automatic dishwashing, detergent composition, which en- sures a shine performance being at least comparable to the commonly used dish- washing detergent compositions comprising high amounts of phosphonates and polyacrylates; while at the same time these inventive dishwashing detergent com- positions comprise much lower amounts of these non-biodegradable and non- sustainable compounds.

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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

The present invention is related to a dishwashing, preferably an automatic dishwashing, detergent composition, wherein the detergent composition com- prises at least a non-polymeric phosphorus containing compound, at least a co- polymeric compound having at least one monomeric unit of an acrylate, at least a poly(epoxysuccinic acid) or a derivative thereof, and at least a maltodextrin grafted with a polycarboxylic acid or a derivative thereof; wherein the detergent composition is substantially free, preferably completely free, of poly(aspartic acid) or a derivative thereof. The invention is further related to a dishwashing, preferably an automatic dishwashing, water-soluble container wherein said water-soluble container is made of a thermoformed water-soluble film comprising poly(vinyl alcohol) and wherein said water-soluble container is at least partially filled with such a dish- washing, preferably an automatic dishwashing, detergent composition; wherein said detergent composition is preferably a solid detergent composition.

Description

PAT15672-WO-PCT DISHWASHING DETERGENT COMPOSITION Field of the Invention The present invention relates to a dishwashing, preferably an automatic dishwashing, detergent composition. The invention further relates to a dishwashing, preferably an automatic dishwashing, water-soluble container. Background of the Invention Non-polymeric phosphorus containing compounds such as phosphonates, and copolymeric compounds having at least one monomeric unit of an acrylate such as polyacrylates have been widely used in dishwashing, preferably auto- matic dishwashing, detergent compositions in the last decades. However, these traditional compounds are regarded as non-readily biode- gradable and non-sustainable. In these days, the importance of biodegradability and sustainability of dishwashing detergent compositions is highly increasing due to environmental aspects. Therefore, other approaches have been attempted by using dishwashing detergent compositions lacking any non-polymeric phosphorus containing com- pounds such as phosphonates. However, non-satisfying bad shine performances have been achieved for such dishwashing detergent compositions. PAT15672-WO-PCT Objective of the present Invention In view of the prior art, it was thus an object of the present invention to provide a dishwashing, preferably an automatic dishwashing, detergent compo- sition, which shall not exhibit the aforementioned shortcomings of the known prior art dishwashing detergent compositions. In particular, it was an object of the present invention to provide a dish- washing detergent composition, which shall ensure a shine performance being at least comparable to the commonly used dishwashing detergent compositions comprising high amounts of these phosphonates and polyacrylates; while at the same time these inventive dishwashing detergent compositions comprise much lower amounts of these non-biodegradable and non-sustainable compounds. Hence, it was an additional object of the present invention to provide an inventive dishwashing detergent composition comprising new biodegradable and sustainable compounds, in particular polymeric compounds, which are offering a promising approach to reduce the amount of non-biodegradable and non-sustain- able compounds in dishwashing detergent compositions. Summary of the Invention These objects and also further objects which are not stated explicitly but are immediately derivable or discernible from the connections discussed herein by way of introduction are achieved by a dishwashing, preferably an automatic dishwashing, detergent composition having all features of claim 1. Appropriate modifications to the inventive dishwashing, preferably an automatic dishwashing, detergent composition are protected in dependent claims 2 to 12. Claim 13 re- lates to a dishwashing, preferably an automatic dishwashing, water-soluble con- tainer. Claims 14 and 15 are appropriate modifications of such a container. The present invention accordingly provides a dishwashing, preferably an automatic dishwashing, detergent composition, wherein the detergent composi- tion comprises at least a non-polymeric phosphorus containing compound, at PAT15672-WO-PCT least a copolymeric compound having at least one monomeric unit of an acrylate, at least a poly(epoxysuccinic acid) or a derivative thereof, and at least a malto- dextrin grafted with a polycarboxylic acid or a derivative thereof; wherein the de- tergent composition is substantially free, preferably completely free, of poly(as- partic acid) or a derivative thereof. It is thus possible in an unforeseeable manner to provide a dishwashing, preferably an automatic dishwashing, detergent composition, which does not ex- hibit the aforementioned shortcomings of the known prior art dishwashing deter- gent compositions. In particular, the dishwashing detergent composition of the present inven- tion ensures a shine performance being at least comparable to the commonly used dishwashing detergent compositions comprising high amounts of these phosphonates and polyacrylates; while at the same time these inventive dish- washing detergent compositions comprise much lower amounts of these non- biodegradable and non-sustainable compounds. Hence, the inventive dishwashing detergent composition of the present in- vention comprises two new biodegradable and sustainable compounds, in partic- ular polymeric compounds, which are offering a promising approach to reduce the amount of non-biodegradable and non-sustainable compounds in dishwash- ing detergent compositions. Brief Description of the tables Objects, features, and advantages of the present invention will also be- come apparent upon reading the following description in conjunction with the ta- bles, in which: Table 1 exhibits the comparative and inventive example basis formulation. Table 2 exhibits long term shine performance tests for comparative and inventive formulations. PAT15672-WO-PCT Table 3 exhibits long term shine performance tests for comparative and inventive formulations. Table 4 exhibits long term shine performance tests for comparative and inventive formulations. Table 5 exhibits short term shine performance tests for comparative and inventive formulations. Table 6 exhibits long term shine performance tests for comparative and inventive formulations. Detailed Description of the Invention The expression “substantially free” means in the context of the present invention a concentration of less than 0.25 wt%, preferably less than 0.2 wt%, and more preferably less than 0.1 wt%. The expression “derivative” means in the context of the present invention that the defined acid group has been reacted with a respective reaction partner, such as an alcohol, an amine or another acid, to a respective ester, amide or anhydride. The expression “derivative” means also in the context of the present invention a transformation of the free acid to the respective acid salt. The expression “poly(aspartic acid)” means in the context of the present invention poly L-aspartic acid, poly D-aspartic acid, and poly-(α,β)-DL-aspartic acid. The expression “at least a” means in the context of the present invention “one or more than one”. In one embodiment, the phosphorus containing compound is a non-nitrog- enous bisphosphonate, preferably etidronic acid (HEDP). PAT15672-WO-PCT In one embodiment, the detergent composition is substantially free, pref- erably completely free, of any homopolymer having a monomeric unit of an acry- late. In one embodiment, the copolymeric compound comprises solely one monomeric unit of an acrylate. In one embodiment, the copolymeric compound further comprises at least one monomeric unit having a sulfonic acid group or a derivative thereof. In one embodiment, the copolymeric compound comprises acrylic acid and 2-Acrylamido-2-methylpropane sulfonic acid as monomeric units; wherein prefer- ably the copolymeric compound consists essentially of acrylic acid and 2- Acrylamido-2-methylpropane sulfonic acid as monomeric units. Exemplary sources for such a copolymeric compound include but are not limited to products sold by DOW under the tradename Acusol TM 588. The expression “consists essentially” means in the context of the present invention a concentration of less than 10 wt%, preferably less than 5 wt%, and more preferably less than 2 wt% of any other monomeric units being part of the respective copolymeric compound. In the context of the present invention, it has been generally found that a number average molecular weight (measured by gel permeation chromatography [GPC]) of the copolymeric compound having at least one monomeric unit of an acrylate ranging from 6000 to 30000 g/mol, preferably from 8000 to 20000 g/mol, and more preferably from 10000 to 15000 g/mol is suitable. In one embodiment, the detergent composition comprises 0.1 to 10 wt%, preferably 0.2 to 8 wt%, and more preferably 0.3 to 6 wt% of the non-polymeric phosphorus containing compound. These weight percentage values given for said non-polymeric phosphorus containing compound mean in the context of the present invention the total weight PAT15672-WO-PCT percentage values of all non-polymeric phosphorus containing compounds of the respective dishwashing detergent composition. In one embodiment, the detergent composition comprises 0.3 to 10 wt%, preferably 0.6 to 8 wt%, and more preferably 1.2 to 6 wt% of the copolymeric compound having at least one monomeric unit of an acrylate. These weight percentage values given for said copolymeric compound having at least one monomeric unit of an acrylate mean in the context of the present invention the total weight percentage values of all copolymeric com- pounds having at least one monomeric unit of an acrylate of the respective dish- washing detergent composition. In one embodiment, the detergent composition comprises 0.3 to 20 wt%, preferably 1 to 15 wt%, and more preferably 2.5 to 7 wt% of the poly(epoxy- succinic acid) [PESA] or a derivative thereof. These weight percentage values given for said poly(epoxysuccinic acid) or a derivative thereof mean in the context of the present invention the total weight percentage values of all poly(epoxysuccinic acid)s or a derivative thereof of the respective dishwashing detergent composition. In the context of the present invention, it has been generally found that a number average molecular weight (measured by gel permeation chromatography [GPC]) of the poly(epoxysuccinic acid) or a derivative thereof ranging from 200 to 3000 g/mol, preferably from 300 to 2000 g/mol, and more preferably from 400 to 1500 g/mol is suitable. In one embodiment, the detergent composition comprises 0.7 to 15 wt%, preferably 1.5 to 10 wt%, and more preferably 2.5 to 7 wt% of the maltodextrin grafted with a polycarboxylic acid or a derivative thereof. Exemplary sources for such a maltodextrin grafted with a polycarboxylic acid or a derivative thereof in- clude but are not limited to products sold by Nouryon under the tradename Al- coguard TM H5941. PAT15672-WO-PCT These weight percentage values given for said maltodextrin grafted with a polycarboxylic acid or a derivative thereof mean in the context of the present in- vention the total weight percentage values of all maltodextrins grafted with a pol- ycarboxylic acid or a derivative thereof of the respective dishwashing detergent composition. In the context of the present invention, it has been generally found that a number average molecular weight (measured by gel permeation chromatography [GPC]) of the maltodextrin grafted with a polycarboxylic acid or a derivative thereof ranging from 5000 to 80000 g/mol, preferably from 8000 to 50000 g/mol, and more preferably from 10000 to 30000 g/mol is suitable. In one embodiment, the detergent composition comprises the non-poly- meric phosphorus containing compound and the poly(epoxysuccinic acid) or a derivative thereof in a weight % ratio of 2:1 to 1:20, preferably of 1.5:1 to 1:16, and more preferably of 1:1 to 1:12. In one embodiment, the detergent composition comprises the poly(epoxy- succinic acid) or a derivative thereof, and the maltodextrin grafted with a polycar- boxylic acid or a derivative thereof in a weight % ratio of 5:1 to 1:3, preferably of 3.5:1 to 1:2, and more preferably of 2.1:1 to 1:1.6. In one embodiment, the detergent composition comprises the non-poly- meric phosphorus containing compound and the copolymeric compound having at least one monomeric unit of an acrylate in a weight % ratio of 1:0.5 to 1:20, preferably of 1:0.7 to 1:15, and more preferably of 1:0.8 to 1:10. In one embodiment, the detergent composition comprises the non-poly- meric phosphorus containing compound and the maltodextrin grafted with a pol- ycarboxylic acid or a derivative thereof in a weight % ratio of 5:1 to 1:30, prefer- ably of 3:1 to 1:25, and more preferably of 2:1 to 1:20. Further, the object of the present invention is also solved by a dishwash- ing, preferably an automatic dishwashing, water-soluble container wherein said PAT15672-WO-PCT water-soluble container is made of a thermoformed water-soluble film comprising poly(vinyl alcohol) and wherein said water-soluble container is at least partially filled with such an inventive dishwashing, preferably an automatic dishwashing, detergent composition; wherein said detergent composition is preferably a solid detergent composition. The expression “solid detergent composition” means in the context of the present invention preferably a dishwashing detergent composition in form of a powder. In cases, wherein said detergent composition of the present invention is not a solid detergent composition, it is provided in form of a liquid or a gel. In a preferred embodiment thereof, said water-soluble container comprises at least a first compartment and at least a second compartment; wherein said at least first compartment is at least partially filled with such an inventive dishwash- ing, preferably an automatic dishwashing, detergent composition, wherein said detergent composition is preferably a solid detergent composition. In an even more preferred embodiment thereof, said water-soluble con- tainer further comprises at least a third compartment; wherein said at least sec- ond compartment is at least partially filled with a liquid dishwashing, preferably a liquid automatic dishwashing, detergent composition, and wherein said at least third compartment is at least partially filled with a solid dishwashing, preferably a solid automatic dishwashing, detergent composition or with a dishwashing, pref- erably an automatic dishwashing, detergent composition in form of a gel. In case that the first compartment and the third compartment are both at least partially filled with a solid detergent composition, it is not necessarily the same solid detergent composition. They can be identical or different from each other in the context of the present invention as long as the solid detergent com- position, which is at least partially filled in the first compartment is representing a solid detergent composition according to the present invention. PAT15672-WO-PCT The present invention thus addresses the problem of providing a dish- washing, preferably an automatic dishwashing, detergent composition, which en- sures a shine performance being at least comparable to the commonly used dish- washing detergent compositions comprising high amounts of phosphonates and polyacrylates; while at the same time these inventive dishwashing detergent com- positions comprise much lower amounts of these non-biodegradable and non- sustainable compounds. The following non-limiting examples are provided to illustrate an embodi- ment of the present invention and to facilitate understanding of the invention but are not intended to limit the scope of the invention, which is defined by the claims appended hereto. Experimental Part: For all shine performance tests, the following method has been applied: Machine: Short Term: Bosch SMS46MW03E/41 Long Term: Miele GSL Program: Short Term: Eco Long Term: 65°C/10 min Evaluation by two trained assessors: Short Term: after 5 washing cycles Long Term: after 20 washing cycles Water hardness: 21°GH Soil load: 16g ballast soil Scoring for Spotting / Filming: PAT15672-WO-PCT 5 - extremely strong (worst performance) 4 - very strong 3 - strong 2 - slightly 1 – no (best performance) Table 1 shows in the following a basis formulation used for all inventive and comparative examples of the present invention. Herein, certain basic com- ponents are listed up with their weight percentage values of the overall dishwash- ing detergent composition. Inventive and comparative formulations Trisodium Citrate 17.0 HEDP Sulfonated acrylic copolymer (Acusol TM 588) Tables 2 - 6 PESA Alcoguard TM H5941 Soda 20.5 Sodium 13.8 percarbonate Enzymes 3.1 Others 5.8 Surfactants 17.9 Table 1: Comparative and inventive example basis formulation. PAT15672-WO-PCT Tables 2 to 6 show different series of inventive and comparative examples of the present invention having different concentrations of HEDP, Acusol TM 588, PESA, and Alcoguard TM H5941 based on the basis formulation of Table 1. HEDP PESA Acusol Alcoguard MGDA Shine score Formulation (mg) (mg) TM 588 TM H5941 (mg) – Glass (wt %) (wt %) (mg) (mg) (wt %) - Stainless steel (wt %) (wt %) 3.0 5.0 4.0 2.0 5.0 2.0 3.0 3.5 2.0 3.5 3.0 3.0 3.0 formulations (*= inventive examples). PAT15672-WO-PCT Formulation HEDP PESA Acusol Alcoguard MGDA Shine score (mg) (mg) TM 588 TM H5941 (mg) – Glass (wt (wt (mg) (mg) (wt %) - Stainless steel %) %) (wt %) (wt %) Spotting Filming 5-BM 976 129 711 - - 2.0 4.6 6.9 0.9 5.0 2.0 4.0 5a 0 416 430 676 658 2.0 4.8 3.0 3.1 4.8 4.7 2.0 4.0 5b 0 888 538 754 0 2.0 4.8 6.3 3.8 5.4 2.0 4.0 5c* 200 384 314 488 794 2.0 5.0 1.4 2.7 2.2 3.5 5.6 2.0 3.0 5d* 200 800 477 703 0 2.1 4.0 1.4 5.7 3.2 5.0 2.0 2.5 Table 3: Long term shine performance tests for comparative and inventive formulations (*= inventive examples). Formulation HEDP PESA Acusol Alcoguard Shine Score (mg) (mg) TM 588 TM H5941 Glass (wt %) (wt %) (mg) (mg) (wt %) (wt %) Spotting Filming 6-BM 976 129 711 - 2.0 4.6
PAT15672-WO-PCT 6h* 200 800 477 703 2.0 4.0 1.4 5.7 3.2 5.0 2.0 2.5 Table 4: Long term shine performance tests for comparative and inventive formulations (*= inventive examples). Formulation HEDP PESA Acusol Alcoguard Shine Score (mg) (mg) TM 588 TM H5941 Glass (wt %) (wt %) (mg) (mg) Stainless steel (wt %) (wt %) formulations (*= inventive examples). PAT15672-WO-PCT Formulation HEDP PESA Acusol Alcoguard Shine Score (mg) (mg) TM 588 TM H5941 Glass (wt %) (wt %) (mg) (mg) Stainless steel formulations (*= inventive examples). While the principles of the invention have been explained in relation to cer- tain particular embodiments, and are provided for purposes of illustration, it is to be understood that various modifications thereof will become apparent to those skilled in the art upon reading the specification. Therefore, it is to be understood that the invention disclosed herein is intended to cover such modifications as fall within the scope of the appended claims. The scope of the invention is limited only by the scope of the appended claims.

Claims

PAT15672-WO-PCT C L A I M S 1. A dishwashing, preferably an automatic dishwashing, detergent com- position, characterized in that the detergent composition comprises at least a non-polymeric phosphorus containing compound, at least a co- polymeric compound having at least one monomeric unit of an acrylate, at least a poly(epoxysuccinic acid) or a derivative thereof, and at least a maltodextrin grafted with a polycarboxylic acid or a derivative thereof; wherein the detergent composition is substantially free, preferably completely free, of poly(aspartic acid) or a derivative thereof. 2. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to claim 1 characterized in that the phosphorus con- taining compound is a non-nitrogenous bisphosphonate, preferably eti- dronic acid; and/or wherein the detergent composition is substantially free, preferably completely free, of any homopolymer having a mono- meric unit of an acrylate. 3. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the copolymeric compound comprises solely one monomeric unit of an acrylate; and/or wherein the copolymeric compound further comprises at least one monomeric unit having a sulfonic acid group or a derivative thereof. 4. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the copolymeric compound comprises acrylic acid and 2-Acrylamido-2- methylpropane sulfonic acid as monomeric units; wherein preferably the copolymeric compound consists essentially of acrylic acid and 2- Acrylamido-2-methylpropane sulfonic acid as monomeric units. PAT15672-WO-PCT 5. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises 0.1 to 10 wt%, preferably 0.2 to 8 wt%, and more preferably 0.3 to 6 wt% of the non-polymeric phospho- rus containing compound. 6. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises 0.3 to 10 wt%, preferably 0.6 to 8 wt%, and more preferably 1.2 to 6 wt% of the copolymeric compound having at least one monomeric unit of an acrylate. 7. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises 0.3 to 20 wt%, preferably 1 to 15 wt%, and more preferably 2.5 to 7 wt% of the poly(epoxysuccinic acid) or a derivative thereof. 8. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises 0.7 to 15 wt%, preferably 1.5 to 10 wt%, and more preferably 2.5 to 7 wt% of the maltodextrin grafted with a polycarboxylic acid or a derivative thereof. 9. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises the non-polymeric phosphorus con- taining compound and the poly(epoxysuccinic acid) or a derivative thereof in a weight % ratio of 2:1 to 1:20, preferably of 1.5:1 to 1:16, and more preferably of 1:1 to 1:12. PAT15672-WO-PCT 10. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises the poly(epoxysuccinic acid) or a de- rivative thereof, and the maltodextrin grafted with a polycarboxylic acid or a derivative thereof in a weight % ratio of 5:1 to 1:3, preferably of 3.5:1 to 1:2, and more preferably of 2.1:1 to 1:1.6. 11. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises the non-polymeric phosphorus con- taining compound and the copolymeric compound having at least one monomeric unit of an acrylate in a weight % ratio of 1:0.5 to 1:20, pref- erably of 1:0.7 to 1:15, and more preferably of 1:0.8 to 1:10. 12. Dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims characterized in that the detergent composition comprises the non-polymeric phosphorus con- taining compound and the maltodextrin grafted with a polycarboxylic acid or a derivative thereof in a weight % ratio of 5:1 to 1:30, preferably of 3:1 to 1:25, and more preferably of 2:1 to 1:20. 13. A dishwashing, preferably an automatic dishwashing, water-soluble container characterized in that said water-soluble container is made of a thermoformed water-soluble film comprising poly(vinyl alcohol) and wherein said water-soluble container is at least partially filled with a dishwashing, preferably an automatic dishwashing, detergent compo- sition according to one of the preceding claims; wherein said detergent composition is preferably a solid detergent composition. 14. Dishwashing, preferably an automatic dishwashing, water-soluble con- tainer according to claim 13 characterized in that said water-soluble container comprises at least a first compartment and at least a second PAT15672-WO-PCT compartment; wherein said at least first compartment is at least par- tially filled with a dishwashing, preferably an automatic dishwashing, detergent composition according to one of the preceding claims 1 to 12, wherein said detergent composition is preferably a solid detergent composition. 15. Dishwashing, preferably an automatic dishwashing, water-soluble con- tainer according to claim 14 characterized in that said water-soluble container further comprises at least a third compartment; wherein said at least second compartment is at least partially filled with a liquid dish- washing, preferably a liquid automatic dishwashing, detergent compo- sition, and wherein said at least third compartment is at least partially filled with a solid dishwashing, preferably a solid automatic dishwash- ing, detergent composition or with a dishwashing, preferably an auto- matic dishwashing, detergent composition in form of a gel.
EP24718195.1A 2023-04-14 2024-04-10 Dishwashing detergent composition Pending EP4695372A1 (en)

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GBGB2305517.1A GB202305517D0 (en) 2023-04-14 2023-04-14 Dishwashing detergent composition
PCT/EP2024/059684 WO2024213566A1 (en) 2023-04-14 2024-04-10 Dishwashing detergent composition

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CN (1) CN121002163A (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3622048B1 (en) * 2017-05-12 2023-10-25 Unilever Global IP Limited Automatic dishwashing detergent composition
GB202005911D0 (en) * 2020-04-23 2020-06-10 Reckitt Benckiser Finish Bv Composition
GB2607585A (en) * 2021-06-03 2022-12-14 Reckitt Benckiser Finish Bv Detergent gel composition comprising a fatty alcohol ethoxylate

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