Pigment preparation and its use

US5672200A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Dieter Heinz · Heppenheim, DE
• Heinz Mohr · Speyer, DE
• Joachim Weitzel · Darmstadt, DE

Key dates

• Filing date: Dec 26, 1995
• Grant date: Sep 30, 1997
• Expiry date: Dec 26, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/651
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A pigment composition containing one or more luster pigments, a phosphate derivative and spherical particles having a particle size of 0.05-150 .mu.m useful, especially, in printing inks.