Pyrrolidonyl-containing polyesters and polyamides

US5880252A · kind A · utility

Assignee

• BASF SE

Inventors

• Son Nguyen Kim · Hemsbach, DE
• Jorg Breitenbach · Mannheim, DE
• Axel Sanner · Bischofswerda, DE
• Peter Hossel · Schifferstadt, DE
• Siegfried Lang · Ludwigshafen, DE

Key dates

• Filing date: Mar 22, 1996
• Grant date: Mar 9, 1999
• Expiry date: Mar 22, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2969
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Pyrrolidonyl-containing polyesters and polyamides I to III ##STR1## where R, X, A and Z are defined herein, are suitable as film formers and conditioners in hair-cosmetic formulations, for stabilizing hydrogen-peroxide in aqueous solution, for complexing iodine, as tablet binders and as a constituent of film coatings in pharmaceutical preparations, for enzyme and bleach stabilization in detergent formulations, as an auxiliary in the production and finishing of textiles, as a solubilizer and protective colloid in the preparation and stabilization of polymer dispersions, and as an adhesive raw material.