# US 9,752,109 B2 · Liquid detergent composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,752,109 B2 - Document ID: US9752109B2 - Status: Granted - Kind: B2 - Application number: 14/897,493 - Filed: 2013-03-25 - Published: 2016-05-19 - Granted: 2017-09-05 - Earliest claimed: 2013-03-25 - Assignees: Ecolab USA Inc. - Applicants: ECOLAB USA Inc. - Inventors: Thomas Dürrschmidt; Matthew Frank Zurbey; Amila Bilic - Web page: https://patentgrep.com/patent/US9752109B2 ## CPC - C11D 17/0017: {Multi-phase liquid compositions} - C11D 1/66: Non-ionic compounds {(C11D1/002, C11D1/004, C11D1/008 take precedence)} - C11D 1/72: Ethers of polyoxyalkylene glycols - C11D 3/3765: {in liquid compositions} - C11D 3/3945: {Organic per-compounds (C11D3/3902 takes precedence)} - C11D 3/3947: {Liquid compositions} - C11D 2111/12: Soft surfaces, e.g. textile - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract The invention refers to a liquid detergent concentrate composition comprising an emulsion having a water phase and an oil phase, the composition comprising based on the whole concentrate: (A) 1-50 wt.-% of a source of alkalinity; (B) 1-70 wt.-% of a at least one non-ionic surfactant; (C) 0.1-10 wt.-% of a copolymer of (1) at least one monomer of the formula (I): H2C═C(R1)—COOH, wherein R1 is a linear or branched C1-C6 alkyl or phenyl group; and (2) at least one monomer of (meth)acrylic acid (C1-C6) alkyl or phenyl ester; (D) 0.1-10 wt.-% of a copolymer of (i) acrylic and/or methacrylic acid; (ii) at least one monomer of the formula (III): H2C═C(R3)—C(O)—O—(CH2CH2O)n—R4, wherein R3 is H or CH3, n is at least 2 and preferably has an average value of at least 10, preferably 10 to 70, 10 to 60, 10 to 30, and R4 is a hydrophobic group containing 8 to 24 carbon atoms; and (iii) at least one monomer of C1-C4 alkyl (meth)acrylate. ## Claims ### Claim 1 Liquid detergent concentrate composition comprising an emulsion having a water phase and an oil phase, the composition comprising based on the whole concentrate: (A) 20-50 wt.-% of a source of alkalinity, wherein the source of alkalinity include alkali metal hydroxides, alkali metal silicates, alkali metal salts, phosphates, amines and/or mixtures thereof; (B) 1-70 wt.-% of at least one non-ionic surfactant; (C) 0.1-10 wt.-% of a copolymer of (1) at least one monomer of the formula (I): H2C═C(R1)—COOH, wherein R1 is a linear or branched C1-C6 alkyl or phenyl group; and (2) at least one monomer of (meth)acrylic acid (C1-C6) alkyl or phenyl ester; (D) 0.1-10 wt.-% of a copolymer of (i) acrylic and/or methacrylic acid; (ii) at least one monomer of the formula (III): H2C═C(R3)—C(O)—O—(CH2CH2O)n—R4, wherein R3 is H or CH3, n is at least 2 and has an average value of at least 10, and R4 is a hydrophobic group containing 8 to 24 carbon atoms; and (iii) at least one monomer of C1-C4 alkyl (meth)acrylate. ### Claim 2 (depends on 1) Liquid detergent concentrate composition comprising an emulsion having a water phase and an oil phase according to claim 1, the composition comprising based on the whole concentrate: (A) 20-50 wt.-% of a source of alkalinity, wherein the source of alkalinity include alkali metal hydroxides, alkali metal silicates, alkali metal salts, phosphates, amines and/or mixtures thereof; (B) 1-70 wt.-% of a at least one non-ionic surfactant; (C) 0.1-10 wt.-% of a copolymer of (1) 10-90 wt.-% of at least one monomer of the formula (I): H2C═C(R1)—COOH, wherein R1 is a linear or branched C1-C6 alkyl or phenyl group; and (2) 10-90 wt.-% of at least one monomer of the formula (II): H2C═CH—C(O)OR2, wherein R2 is a linear or branched C1-C6 alkyl or phenyl group; (D) 0.1-10 wt.-% of a copolymer of (i) 30-45 wt.-% of (meth)acrylic acid; (ii) 1-15 wt.-% of at least one monomer of the formula (III): H2C═C(R3)—C(O)—O—(CH2CH2O)n—R4, wherein R3 is H or CH3, n has an average value of 10-60 and R4 is a C12-C18 alkyl group; and (iii) 40-60 wt.-% of at least one monomer of C1-C4 alkyl (meth)acrylate. ### Claim 3 (depends on 2) Liquid detergent concentrate composition according to claim 2, wherein (C) is a copolymer of (1) 10-90 wt.-% of methacrylic acid; and (2) 10-90 wt.-% of at least one monomer of the formula (II): H2C═CH—C(O)OR2, wherein R2 is C1-C4 alkyl. ### Claim 4 (depends on 3) Liquid detergent concentrate composition according to claim 3, wherein (D) is a copolymer of (i) 30-45 wt.-% of methacrylic acid; (ii) 1-15 wt.-% of at least one monomer of the formula (III): H2C═C(R3)—C(O)—O—(CH2CH2O)n—R4, wherein R3 is H or CH3, n has an average value of 10-60 and R4 is a C12-C18 alkyl group; and (iii) 40-60 wt.-% of ethyl acrylate. ### Claim 5 (depends on 3) Liquid detergent concentrate composition according to claim 3, wherein (D) is a copolymer of (i) 30-45 wt.-% of methacrylic acid; (ii) 1-15 wt.-% of stearyloxypoly (ethyleneoxy)20ethyl methacrylate; and (iii) 40-60 wt.-% of ethyl acrylate. ### Claim 6 (depends on 5) Liquid detergent concentrate composition according to claim 5, wherein the non-ionic surfactant is at least one alkoxylated fatty alcohol of the formula (IV) R5—(OC2H4)x—(OC3H6)y—OH, wherein R5 is a linear or branched C6-C24 alkyl or alkenyl group, x is 0 to 18 and y is 0 to 10 and the sum of x and y is at least 2 and one of x or y may be 0. ### Claim 7 (depends on 5) Liquid detergent concentrate composition according to claim 5, wherein the non-ionic surfactant is at least one ethoxylated and/or propoxylated fatty alcohol of the formula (IV) R5—(OC2H4)x—(OC3H6)y—OH, wherein R5 is a linear or branched C8-C18 alkyl or alkenyl group, x is 0 to 10 and y is 0 to 10 and the sum of x and y is at least 2 and one of x or y may be 0. ### Claim 8 (depends on 5) Liquid detergent concentrate composition according to claim 5, wherein the non-ionic surfactant is at least one ethoxylated and/or propoxylated fatty alcohol of the formula (IV) R5—(OC2H4)x—(OC3H6)y—OH, wherein R5 is a linear or branched C9-C16 alkyl or alkenyl group, x is 3 to 10 and y is 3 to 10 and the sum of x and y is at least 3. ### Claim 9 (depends on 5) Liquid detergent concentrate composition according to claim 5, wherein the non-ionic surfactant is at least one ethoxylated fatty alcohol of the formula (V) R6—(OC2H4)m—OH wherein R6 is a linear or branched C9-C16 alkyl or alkenyl group and m is 3 to 10. ### Claim 10 (depends on 5) Liquid detergent concentrate composition according to claim 5, wherein the non-ionic surfactant is at least one ethoxylated fatty alcohol of the formula (V) R6—(OC2H4)m—OH, wherein R6 is a linear or branched C11-C16 alkyl or alkenyl group and m is 5 to 10. ### Claim 11 (depends on 5) Liquid detergent concentrate composition according to claim 5, wherein the non-ionic surfactant is at least one ethoxylated guerbet alcohol of the formula (V) R6—(OC2H4)m—OH, wherein R6 is a branched C9-C20 alkyl group and m is from 2 to 10. ### Claim 12 (depends on 1) Liquid detergent concentrate composition according to claim 1, wherein the detergent concentrate has a viscosity range of from 1 to 3000 mPas at 20° C. measured at 20 revolutions per minute on a Brookfield RVT viscosimeter with spindle #2. ### Claim 13 (depends on 12) Liquid detergent concentrate composition according to claim 12, wherein the detergent additionally comprises additives selected from the group consisting of builder, pH modifier, antimicrobial agents, abrasives, anti-redeposition agents, sequestrants, softener, conditioner, viscosity modifying agents, wetting modifying agents, enzymes, optical brighteners, defoamers and mixtures thereof. ### Claim 14 (depends on 13) A system comprising a first component and a second component, wherein the first component is the liquid detergent concentrate composition according to claim 13 and the second component is containing a bleaching composition. ### Claim 15 (depends on 14) The system according to claim 14, wherein the bleaching composition comprises a peracid selected from: a) peracids corresponding to general formula (VI) R7—O2C—(CH2)p—CO3H, wherein R7 is hydrogen or an alkyl group containing 1 to 4 carbon atoms and p is an integer from 1 to 4, or salts thereof; b) phthalimidopercarboxylic acids (VII) wherein the percarboxylic acid contains 1 to 18 carbon atoms, or salts thereof; c) compounds corresponding to formula (VIII) R8—CO3H, wherein R8 is an alkyl or alkenyl group containing 1 to 18 carbon atoms. ### Claim 16 (depends on 14) The system according to claim 14, wherein the bleaching composition comprises a peracid selected from: a) peracids corresponding to general formula (VI) R7—O2C—(CH2)p—CO3H, wherein R7 is hydrogen or methyl group and p is an integer from 1 to 4, or salts thereof; b) phthalimidopercarboxylic acids (VII) wherein the percarboxylic acid contains 1 to 8 carbon atoms, or salts thereof; c) compounds corresponding to formula (VIII) R8—CO3H, wherein R8 is an alkyl or alkenyl group containing 1 to 12 carbon atoms. ### Claim 17 (depends on 16) The system according to claim 16, wherein the peracid is selected from peracetic acid, perpropionic acid, peroctanoic acid, phthalimidoperhexanoic acid, phthalimidoperoctanoic acid, persuccinic acid, persuccinic acid monomethyl ester, perglutaric acid, perglutaric acid monomethyl ester, peradipic acid, peradipic acid monomethyl ester, persuccinic acid, and persuccinic acid monomethyl ester. ### Claim 18 (depends on 17) The system according to claim 17, wherein the bleaching composition comprises 1 to 30 wt.-% of peracid. ### Claim 19 (depends on 18) The system according claim 18, wherein the bleaching composition additionally contains 0.01 to 35 wt.-% of hydrogen peroxide. ### Claim 20 (depends on 19) The system according to claim 19, wherein the bleaching composition comprises at least a mixture of hydrogen peroxide, peracid and the corresponding acid. ### Claim 21 (depends on 20) The system according to claim 20, wherein the bleaching composition comprises at least hydrogen peroxide, peroxyacetic acid and acetic acid. ### Claim 22 (depends on 13) Method for washing textiles comprising providing the liquid detergent concentrate composition according to claim 13; diluting the liquid detergent to a stable aqueous use solution to a concentration of 0.5 to 25 wt.-% based on the total use solution; optionally, adding a bleaching composition to the liquid detergent concentrate composition or to the use solution, wherein said bleaching composition comprises at least hydrogen peroxide, peroxyacetic acid and acetic acid; and washing the textiles in an institutional or a household washing machine in the use solution.