Polyurethaneamides dispersible in water and dispersions containing them

US3935146A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus Noll · Cologne, DE
• Walter Schroer · Leverkusen, DE
• Josef Pedain · Cologne, DE
• Helmut Reiff

Key dates

• Filing date: Mar 18, 1974
• Grant date: Jan 27, 1976
• Expiry date: Mar 18, 1994

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/904
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A polyurethaneamide containing ethylene oxide units and adapted to be dispersed in water without added emulsifiers and dispersions containing them are provided. The novel dispersions produce coatings on leather and other substrates having an improved glossy appearance.