Aqueous pigment preparation, and the use thereof

US4812492A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Helmut Eckes · Eppstein, DE
• Rainer Winter · Oberursel, DE
• Albert Munkel · Liederbach, DE

Key dates

• Filing date: Jul 27, 1987
• Grant date: Mar 14, 1989
• Expiry date: Jul 27, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D17/001
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Aqueous pigment preparations which contain (a) 5 to 80% by weight of a finely-divided inorganic and/or organic pigment, (b) 5 to 80% by weight of an aequeous polyurethane dispersion, (c) 2 to 80% by weight of water and (d) 0 to 50% by weight of an organic solvent.