Colorants comprising tin and rare earth elements

US7837781B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Norbert Mronga · Dossenheim, DE
• Kirill Bramnik · Mannheim, DE

Key dates

• Filing date: Dec 17, 2007
• Grant date: Nov 23, 2010
• Expiry date: Dec 17, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/66
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A pigment of empirical composition(TiO2)a(ZnO)b(SnO)c(SnO2)d(RExOy)e(AEO)f(MuOv)g wherein Preferably RE is selected from the elements Y, La, Ce, and Pr.The pigments are used as colorants for coloring paints, inks, plastics, and rubber.