# US 2022/0033736 A1 · Detergent composition

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2022/0033736 A1
- Document ID: US20220033736A1
- Status: Published application
- Kind: A1
- Application number: 17/275,934
- Filed: 2019-09-12
- Published: 2022-02-03
- Earliest claimed: 2018-09-18
- Assignees: Conopco, Inc., d/b/a UNILEVER
- Applicants: Conopco, Inc., d/b/a UNILEVER
- Inventors: Stephen Norman BATCHELOR; Neil Stephen BURNHAM; Andrew Thomas COOK; Dietmar Andreas LANG
- Web page: https://patentgrep.com/patent/US20220033736A1

## CPC

- C11D 3/2093: {Esters; Carbonates}
- C11D 3/38627: {containing lipase}
- C11D 1/04: Carboxylic acids or salts thereof (soap C11D9/00)
- C11D 1/06: Ether- or thioether carboxylic acids
- C11D 1/29: Sulfates of polyoxyalkylene ethers
- C11D 1/72: Ethers of polyoxyalkylene glycols
- C11D 1/831: of sulfonates with ethers of polyoxyalkylenes without phosphates
- C11D 3/38618: {Protease or amylase in liquid compositions only}
- C11D 3/38636: {containing enzymes other than protease, amylase, lipase, cellulase, oxidase or reductase}
- C11D 17/0008: {aqueous liquid non soap compositions (C11D3/0015, C11D3/3947, C11D3/3956 take precedence)}
- C11D 17/042: {Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning 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 present invention concerns a detergent composition, comprising: a) from 2 to 95 wt. %, preferably from 2 to 50 wt. %, more preferably from 2 to 40 wt. %, most preferably from 2.5 to 40 wt. % of an organic acid derivative of mono- and di-glycerides of the form:—(I) wherein one or two, of R1, R2 and R3 are independently selected from an acyl group of the formula R4CO—; where R4 is a linear or branched, saturated or mon-unsaturated C9 to C21 alkyl chain; wherein one or two, of R1, R2 and R3 is selected from an organic acid of generic formulation (HOOC)nXCO—; wherein X is saturated or monounsaturated organic group containing 1 to 6 carbon atoms and n=1 to 3; wherein one or none of R1, R2 and R3 is enzyme; and to domestic method of treatment of a textile using said composition.

## Claims

### Claim 1

A detergent composition, comprising:
a) from 2 to 95 wt. %, preferably from 2 to 50 wt. %, more preferably from 2 to 40 wt. %, most preferably from 2.5 wt. % to 40 wt. % of an organic acid derivative of mono- and di-glycerides of the form:—
wherein one or two, of R1, R2 and R3 are independently selected from an acyl group of the formula R4CO—; where R4 is a linear or branched, saturated or mon-unsaturated C9 to C21 alkyl chain;
wherein one or two, of R1, R2 and R3 is selected from an organic acid of generic formulation (HOOC)nXCO—; wherein X is saturated or monounsaturated organic group containing 1 to 6 carbon atoms and n=1 to 3;
wherein one or none of R1, R2 and R3 is selected from H; and,
b) from 0.0005 to 0.5 wt. %, preferably from 0.005 to 0.2 wt. % of a lipid esterase enzyme.

### Claim 2 (depends on 1)

A detergent composition according to claim 1, wherein one of R1, R2 and R3 are independently selected from an acyl group of the formula R4CO— where R4 is a linear or branched, saturated or mon-unsaturated C9 to C21 alkyl chain.

### Claim 3 (depends on 1)

A detergent composition according to claim 1, wherein R4 is a linear or branched, saturated or mon-unsaturated C15 to C21 linear alkyl chain, preferably a saturated or mon-unsaturated C15 to C17 linear alkyl chain.

### Claim 4 (depends on 1)

A detergent composition according to claim 1, wherein one, of R1, R2 and R3 is selected from an organic acid of generic formulation (HOOC)nXCO—; wherein X is saturated or monounsaturated organic group containing 1 to 6 carbon atoms and n=1 to 3

### Claim 5 (depends on 1)

A detergent composition according to claim 1, wherein (HOOC)nXCO is selected from citric acid, malic acid, tartaric acid, monoacetyl and diacetyl tartaric acid, succinic acid, oxalic acid, maleic acid, fumaric acid, malonic acid, more preferably citric acid, lactic acid, tartaric acid, monoacetyl and diacetyl tartaric acid, where an OH is lost from an acid group to form the ester.

### Claim 6 (depends on 1)

A detergent composition according to claim 1, wherein one of R1, R2 and R3 is selected from H.

### Claim 7 (depends on 1)

A detergent composition according to claim 1, wherein the organic acid derivative of mono- and di-glycerides are selected from:—citric acid esters of mono- and diglycerides (citrem); tartaric acid esters of mono- and di-glycerides (tatem); diacetyltartaric acid esters of mono- and diglycerides (datem); and, mixed acetic-, tartaric- and di-acetylated tartaric acid esters of mono- and di-glycerides (MATEM);
preferably the organic acid derivative of mono- and di-glycerides are selected from:—
citric acid esters of mono- and diglycerides (citrem); tartaric acid esters of mono- and di-glycerides (tatem); and, diacetyltartaric acid esters of mono- and diglycerides (datem); most preferably the organic acid derivative of mono- and di-glycerides are selected from:—citric acid esters of mono- and diglycerides (citrem).

### Claim 8 (depends on 1)

A detergent composition according to claim 1, wherein the detergent composition is a laundry detergent composition.

### Claim 9 (depends on 8)

A detergent composition according to claim 8, comprising an nonionic surfactant selected from saturated and mono-unsaturated aliphatic alcohol ethoxylates and saturated and mono-unsaturated fatty acid sugar esters; preferably the non-ionic surfactant is saturated and mono-unsaturated aliphatic alcohol ethoxylates, preferably selected from C12 to C20 primary linear alcohol ethoxylates with an average of from 5 to 30 ethoxylates, more preferably C16 to C18 with an average of from 10 to 25 ethoxylates.

### Claim 10 (depends on 8)

A laundry detergent composition according to claim 8, comprising an anionic surfactant selected from C12 to C18 alkyl ether carboxylate and water-soluble alkali metal salts of organic sulphates, ether sulphates and sulphonates having alkyl radicals containing from 8 to 22 carbon atoms.

### Claim 11 (depends on 1)

A laundry detergent composition according to claim 1 wherein the lipid esterase is selected from triacylglycerol lipases (E.C. 3.1.1.3); carboxylic ester hydrolase (E.C. 3.1.1.1); Cutinase (E.C. 3.1.1.74); sterol esterase (E.C. 3.1.1.13); wax-ester hydrolase (E.C. 3.1.1.50), preferably a triacylglycerol lipases (E.C. 3.1.1.3).

### Claim 12 (depends on 8)

A laundry detergent composition according to claim 8, comprising one or more enzymes from the group: proteases, amylases and cellulases.

### Claim 13 (depends on 8)

A laundry detergent composition according to claim 8, wherein the composition is a liquid or a liquid unit dose composition.

### Claim 14 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)

A domestic method of treating a textile, comprising the steps of:—
a) treating a textile with an aqueous solution of 0.5 to 20 g/L, more preferably 1 to 10 g/L of the detergent composition according to any one of claims 1 to 13;
b) optionally rinsing and drying the textile.