Thickener-rheology modifier system for personal care compositions

US7105153B2 · kind B2 · utility

Assignee

• National Starch and Chemical Investment Holding Copporation · US

Inventors

• Paul M. Sorrentino · Colts Neck Township, US
• Ian W. Cottrell · Spring Hill, US
• Johan G. L. Pluyer · East Millstone, US
• Tamara Babenko · Bound Brook, US

Key dates

• Filing date: Jul 12, 2002
• Grant date: Sep 12, 2006
• Expiry date: May 4, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S424/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A thickener-rheology modifier system for use in hair care and skin care compositions comprising: where R is H and R1 is H, C1–C4 alkyl, or —CH2COOX; R is —COOX and R1 is H or —CH2COOX; and R is CH3 and R1 is H, C1–C4 alkyl or —CH2COOX; and X is H or C1–C4 alkyl; where Y is H or CH3 and Z iswhere R is C1 to C4 alkyl; and where R is an alkyl group of 6 to 22 carbon atoms or an alkaryl of 8 to 22 carbon atom, x is an average number of from about 6 to 200, y is an average number of from about 0 to 50 and A is residue of an unsaturated carboxylic acid having the formula:were R′ is H, —COOH or CH3 and R″ is H, CH3, —COOH or —CH2COOH; and Preferably the thickener-rheology modifier system will contain a surfactant and more preferably will contain boric acid.