# US 5,707,957 A · Liquid crystal compositions

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- Number: US 5,707,957 A
- Document ID: US5707957A
- Status: Granted
- Kind: A
- Application number: 08/611,925
- Filed: 1996-03-06
- Granted: 1998-01-13
- Earliest claimed: 1989-09-22
- Assignees: Colgate-Palmolive Company
- Inventors: Georges Yianakopoulos; Genevieve Blandiaux; Myriam Mondin
- Web page: https://patentgrep.com/patent/US5707957A

## CPC

- C09K 19/00: Liquid crystal materials
- C09K 19/54: Additives having no specific mesophase {characterised by their chemical composition}
- C11D 1/83: Mixtures of non-ionic with anionic compounds
- C11D 1/835: Mixtures of non-ionic with cationic compounds
- C11D 3/046: {Salts}
- C11D 3/14: Fillers; Abrasives {; Abrasive compositions; Suspending or absorbing agents not provided for in one single group of C11D3/12; Specific features concerning abrasives, e.g. granulometry or mixtures (dyes, pigments C11D3/40)}
- C11D 3/18: Hydrocarbons {(C11D3/164 takes precedence)}
- C11D 3/2006: {Monohydric alcohols}
- C11D 3/201: {linear}
- C11D 3/2013: {fatty or with at least 8 carbon atoms in the alkyl chain}
- C11D 3/2068: {Ethers}
- C11D 3/2086: {Hydroxy carboxylic acids-salts thereof}
- C11D 3/30: Amines; Substituted amines {; Quaternized amines}
- C11D 3/382: Vegetable products, e.g. soya meal, wood flour, sawdust
- C11D 3/43: Solvents
- C11D 17/0021: {Aqueous microemulsions}
- C11D 17/0026: {Structured liquid compositions, e.g. liquid crystalline phases or network containing non-Newtonian phase}
- C09K 2019/528: {Surfactants}
- C11D 1/123: {derived from carboxylic acids, e.g. sulfosuccinates}
- C11D 1/14: derived from aliphatic hydrocarbons or mono-alcohols
- C11D 1/143: {Sulfonic acid esters}
- C11D 1/146: {Sulfuric acid esters}
- C11D 1/29: Sulfates of polyoxyalkylene ethers
- C11D 1/662: {Carbohydrates or derivatives}
- C11D 1/667: {Neutral esters, e.g. sorbitan esters}
- C11D 1/72: Ethers of polyoxyalkylene glycols
- C11D 3/2044: {linear}
- C11D 3/2065: {Polyhydric alcohols}
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

This invention relates to a liquid crystal composition comprising a water insoluble organic compound, an ethoxylated nonionic surfactant, an alkyl polyglucoside surfactant, an ethoxylated alkyl ether sulfate surfactant, a cosurfactant and water.

## Claims

### Claim 1

A liquid crystal detergent composition which comprises by weight:
(a) about 1% to about 30% of an ethoxylated nonionic surfactant containing ethylene oxide groups;
(b) about 0.1% to about 16% of an alkyl polyglucoside surfactant;
(c) about 1% to about 20% of a water soluble salt of an ethoxylated C.sub.8-18 alkyl ether sulfate surfactant or sodium lauryl sulfate;
(d) about 0.1% to about 2% of an alcohol having the formula CnH2n+2-x(OH)x wherein x is 2 or 3 and n is a number from 2 to 5;
(e) about 0.1% to about 6% of a fatty alcohol having a single oxygen atom and a total of 14 to 20 carbon atoms;
(f) about 1% to about 30% of a water soluble glycol ether cosurfactant;
(g) about 0.6% to about 10% of a water insoluble organic compound selected from the group consisting of perfumes, essential oils and water insoluble hydrocarbons;
(h) 1% to 10% of a magnesium salt; and
(i) the balance being water, said liquid crystal detergent composition has a storage modulus measured at a temperature between 20.degree. C. to 40.degree. C., at a strain of 0.1% to 5% and a frequency of 10 radians/second of at least about one Pascal and is one phase at a temperature of 8.degree. C. to 43.degree. C.

### Claim 2 (depends on 1)

The composition of claim 1, wherein said nonionic surfactant is a condensation product of one mole of a higher fatty alcohol having about 9 to about 11 carbon atoms with 2 to 6 moles of said ethylene oxide groups.

### Claim 3 (depends on 2)

The composition of claim 2 wherein said water soluble salt of said ethoxylated C.sub.8-18 alkyl ether sulfate surfactant has a cation selected from the group consisting of sodium, potassium and ammonium.

### Claim 4 (depends on 3)

The composition of claim 3 wherein said fatty alcohol is oleyl alcohol.

### Claim 5 (depends on 3)

The composition of claim 3, wherein said water insoluble hydrocarbon is selected from the group consisting of d-linonene, alpha-terpineol, alpha-pinene, and beta pinene and mixtures thereof.

### Claim 6 (depends on 3)

The composition of claim 3, wherein said cosurfactant is tripropylene glycol n-butyl ether.

### Claim 7 (depends on 1)

A process for treating materials soiled with lipophilic soil to loosen or remove it which comprises applying to the locus of such soft on such material a soil loosening or removing amount of a composition according to claim 1.

### Claim 8 (depends on 7)

A process according to claim 7 wherein the composition is applied as a pre-treatment to material soiled with hard-to-remove lipophilic soil at the locus thereof on the material, after which application the soil is removed by application of the same or a different detergent composition and water.