Three polymer blend to achieve fabric care in laundry

Patent metadata

Field	Value
Publication number	US-11499120-B2
Application number	US-202016777147-A
Country	US
Kind code	B2
Filing date	Jan 30, 2020
Priority date	Jan 30, 2020
Publication date	Nov 15, 2022
Grant date	Nov 15, 2022

Abstract

The present disclosure provides liquid and unit dose laundry detergent compositions. Provided herein is a laundry detergent composition including: (a) at least one anionic surfactant, (b) at least one non-ionic surfactant, (c) at least one cationic cellulosic polymer, (d) at least one dye transfer inhibitor polymer, (e) at least one anti-redeposition polymer, and (f) water. The present disclosure also provides a unit dose laundry detergent product including: a water-soluble polymeric film; a detergent composition encapsulated by the water-soluble polymeric film, the detergent composition including: (a) at least one anionic surfactant, (b) at least one non-ionic surfactant, (c) at least one cationic cellulosic polymer, (d) at least one dye transfer inhibitor polymer, (e) at least one anti-redeposition polymer, and (g) water. Methods of making and using the disclosed laundry detergent compositions are also provided.

First claim

What is claimed is:

1. A fabric care laundry detergent composition, comprising:
(a) at least one anionic surfactant present in the composition in a concentration of about 2% to about 30% (w/w);
(b) at least one non-ionic surfactant present in the composition in a concentration of about 2% to about 30% (w/w);
(c) at least one cationic cellulosic polymer present in the composition in a concentration of from about 0.05% to about 2.0% (w/w);
(d) at least one dye transfer inhibitor polymer present in the composition in a concentration of about 0.1% to about 1.0% (w/w);
(e) at least one anti-redeposition polymer present in the composition in a concentration of about 0.05% to about 2.0% (w/w), wherein the at least one anti-redeposition agent is a homopolymer of acrylic acid; and
(f) water present in the composition in a concentration of about 30% to about 95% (w/w);
wherein said detergent composition is free of silicone.

2. The composition of claim 1 , wherein the at least one anionic surfactant is selected from the group consisting of alkylbenzene sulfonic acids, alkyl ether sulfates, polyethoxylated alcohol sulfates, sodium lauryl ether sulfates, alkali metal salts of C 10 -C 16 alkyl benzene sulfonic acids, linear alkyl benzene sulfonates, sodium and potassium linear, straight chain alkylbenzene sulfonates, a-sulfofatty acid esters, ethoxysulfates, and combinations thereof.

3. The composition of claim 1 , wherein the non-ionic surfactant is selected from the group consisting of alkoxylated fatty alcohols, ethylene oxide (EO)-propylene oxide (PO) block polymers, amine oxide surfactants, alcohol alkoxylates, C 12 -C 15 alcohol ethoxylates, ethoxylated or ethoxylated and propoxylated, fatty acid alkyl esters, polyalkoxylated alkanolamides, polyoxyalkylene alkyl ethers, polyoxyalkylene alkylphenyl ethers, polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene sorbitol fatty acid esters, polyalkylene glycol fatty acid esters, alkyl polyalkylene glycol fatty acid esters, polyoxyethylene polyoxypropylene alkyl ethers, polyoxyalkylene castor oils, polyoxyalkylene alkylamines, glycerol fatty acid esters, alkylglucosamides, alkylglucosides, and alkylamine oxides.

4. The composition of claim 1 , wherein the at least one cationic cellulosic polymer is a cationic hydroxyethyl cellulose polymer.

5. The composition of claim 1 , wherein the at least one dye transfer inhibitor polymer is selected from the group consisting of poly-N-vinylpyrrolidone (PVP), poly-4-vinylpyridine-N-oxide (PVNO), N-vinylpyrrolidone and N-vinylimidazole (PVPVI), or their copolymers, and mixtures thereof.

6. The composition of claim 1 , further comprising a de-foaming agent, selected from the group consisting of fatty acids derived from palm kernel oil or coconut oil, wherein the de-foaming agent is present in the composition in a concentration of from about 0.10% to about 5.0% (w/w).

7. The composition of claim 1 , further comprising citric acid, wherein the citric acid is present in the composition in a concentration of about 0.5% to about 7.0% (w/w).

8. The composition of claim 1 , further comprising sodium hydroxide wherein the sodium hydroxide is present in the composition in a concentration of about 0.01% (w/w), or about 0.05% (w/w).

9. The composition of claim 1 , further comprising triethanolamine (TEA), wherein the TEA is present in the composition in a concentration of from about 0.50% to about 1.5% (w/w).

10. The composition of claim 1 , further comprising calcium chloride, wherein the calcium chloride is present in the composition in a concentration of from about 0.01% (w/w) to about 0.05% (w/w).

11. The composition of claim 1 , further comprising a chelating agent, wherein the chelating agent is present in the composition in a concentration of from about 0.3% to about 0.5% (w/w).

12. The composition of claim 1 , further comprising monoethanolamine, wherein the monoethanolamine is present in the composition in a concentration of from about 0.5% to about 1.5% (w/w).

13. The composition of claim 1 , further comprising a preservative selected from the group consisting of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-one (CMIT/MIT), benzisothiazolinone (BIT), 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, and combinations thereof, wherein the preservative is present in the composition in a concentration of from 0.001% to about 0.15% (w/w).

14. The composition of claim 1 , further comprising a fragrance, wherein the fragrance is present in the composition in a concentration of from 0.10% (w/w) to about 3.0% (w/w).

15. A fabric care laundry detergent composition comprising:
at least one cationic cellulosic polymer in a concentration of from about 0.1% to about 0.75% (w/w), wherein the at least one cationic cellulosic polymer is a cationic hydroxyethyl cellulose polymer;
at least one dye transfer inhibitor in a concentration of from about 0.1% to about 0.75% (w/w), wherein the at least one dye transfer inhibitor is a vinylpyrrolidone and vinylimidazole copolymer; and
at least one anti-redeposition agent in a concentration of from about 0.1% to about 0.85% (w/w), wherein the at least one anti-redeposition agent is a homopolymer of acrylic acid;
and further comprising at least one additional beneficial agent,

wherein the composition is free of silicone.

16. A unit dose laundry detergent product comprising:
a water-soluble polymeric film;
a fabric care detergent composition encapsulated by the water-soluble polymeric film, said detergent composition comprising:
(a) anionic surfactant present in the composition in a concentration of about 5% to about 50% (w/w), the anionic surfactant consisting of linear alkylbenzene sulfonic acid and alcohol ethoxysulfate;
(b) at least one alcohol ethoxylate non-ionic surfactant present in the composition in a concentration of about 2% to about 30% (w/w);
(c) at least one cationic hydroxyethyl cellulosic polymer present in the composition in a concentration of about 0.05% to about 2.0%;
(d) at least one dye transfer inhibitor polymer present in the composition in a concentration of about 0.1% to about 1.0% (w/w), wherein the at least one dye transfer inhibitor is a vinylpyrrolidone and vinylimidazole copolymer;
(e) at least one anti-redeposition polymer present in the composition in a concentration of about 0.05% to about 2.0% (w/w), wherein the at least one anti-redeposition agent is a homopolymer of acrylic acid; and
(f) water present in the composition in a concentration of about 5% to about 30% (w/w);
wherein the composition is free of silicone.

17. The unit dose of claim 16 , further comprising a de-foaming agent, selected from the group consisting of fatty acids derived from palm kernel oil or coconut oil, wherein the de-foaming agent is present in the composition in a concentration of from about 0.10% to about 5.0% (w/w).

18. The unit dose of claim 16 , further comprising sodium hydroxide wherein the sodium hydroxide is present in the composition in a concentration of about 0.01% (w/w), or about 0.05% (w/w).

19. The unit dose of claim 16 , further comprising
citric acid, wherein the citric acid is present in the composition in a concentration of about 0.5% to about 7.0% (w/w);
triethanolamine (TEA), wherein the TEA is present in the composition in a concentration of about 0.50% to about 1.5% (w/w);
calcium chloride, wherein the calcium chloride is present in the composition in a concentration of about 0.01% (w/w) to about 0.05% (w

Assignees

• Henkel Ag & Co Kgaa

Inventors

• Calderon Alma D
• Sun Wei
• Piorkowski Daniel Thomas

Classifications

• C11D1/722

  Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; {Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups (C11D1/721 takes precedence)} · CPC title

• C11D3/0036

  Soil deposition preventing compositions; Antiredeposition agents · CPC title

• C11D1/831

  of sulfonates with ethers of polyoxyalkylenes without phosphates · CPC title

• C11D3/3757

  (Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions · CPC title

• C11D3/3753

  Polyvinylalcohol; Ethers or esters thereof · CPC title