Metal oxide coated aluminum pigments

US4978394A · kind A · utility

Assignee

• BASF SE

Inventors

• Werner Ostertag · Havelsee, DE
• Norbert Mronga · Dossenheim, DE

Key dates

• Filing date: Apr 14, 1989
• Grant date: Dec 18, 1990
• Expiry date: Apr 14, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2220/20
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Metallically bright reflection pigments comprising a substrate of plateletlike aluminum and coatings of titanium oxides applied on top of the substrate are used for coloring paints, plastics, printing inks, ceramic articles, glasses and cosmetic products.