Luster pigments based on metal oxide-coated aluminum platelets having a total carbon content of less than 0.1% by weight

US5374306A · kind A · utility

Assignee

• BASF SE

Inventors

• Reinhold Schlegel · Haßloch, DE
• Norbert Mronga · Dossenheim, DE
• Reinhold Rieger · Ludwigshafen, DE

Key dates

• Filing date: Jul 1, 1993
• Grant date: Dec 20, 1994
• Expiry date: Jul 1, 2013

Classification

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

Abstract

There are described luster pigments based on metal oxide-coated aluminum platelets wherein the substrate aluminum platelets have a total carbon content <0.1% by weight, and the preparation and use of these pigments.