Anticorrosive pigment preparation containing metal oxide-coated platelet adjuvant

US5749946A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Ralf Glausch · Darmstadt, DE
• Georg Reinhard · Dresden, DE
• Renate Jircik · Dresden, DE
• Ursula Rammelt · Dresden, DE

Key dates

• Filing date: May 3, 1996
• Grant date: May 12, 1998
• Expiry date: May 3, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2200/301
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A pigment preparation comprising PA1 (i) 10-80% by wt. of a platelet-shaped substrate coated with a metal oxide, and PA1 (ii) 20-90% by wt. of an active pigment.