Luster pigments based on reduced titania-coated silicate-based platelets

US5733658A · kind A · utility

Assignee

• BASF SE

Inventors

• Raimund Schmid · Neustadt, DE
• Claus Kaliba · Schifferstadt, DE
• Norbert Mronga · Dossenheim, DE
• Werner Ostertag · Havelsee, DE
• Helmut Schmidt · Riegelsberg, DE
• Juan Antonio Gonzalez Gomez · Ludwigshafen, DE
• Hermann Bidlingmaier · Offenburg, DE
• Raymond Ellinghoven · Erbach, DE

Key dates

• Filing date: Mar 29, 1996
• Grant date: Mar 31, 1998
• Expiry date: Mar 29, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2993
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Luster pigments obtainable by treating titania-coated silicate-based platelets at from 400.degree. to 900.degree. C. with a gas mixture comprising a vaporized organic compound and ammonia are useful for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.