Thickeners for surfactant-containing compositions

US6489422B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Helmut Meffert · Mannheim, DE
• Kristin Tiefensee · Bad Dürkheim, DE

Key dates

• Filing date: Mar 14, 2002
• Grant date: Dec 3, 2002
• Expiry date: Mar 14, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/003
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Use of neutralized or partially neutralized copolymers obtainable fromA) from 50 to 99% by weight of monoethylenically unsaturated carboxylic acid andB) from 1 to 50% by weight of at least one comonomer chosen from the groups a) to d) or also mixtures of different monomers from groups a) to d)a) monoethylenically unsaturated carboxylic acid esters with a saturated C8- to C30-alcoholb) N-alkyl- or N,N-dialkyl-substituted carboxamides, the alkyl radicals independently of one another being aliphatic or cycloaliphatic alkyl radicals having at least 8 to 18 carbon atoms,c) vinyl esters of aliphatic C8- to C30-carboxylic acids,d) C8- to C18-alkyl vinyl ethers,for the preparation of hair cleansers.