Conductive pigments

US5945035A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Reiner Vogt · Darmstadt, DE
• Gerhard Pfaff · Mainburg, DE

Key dates

• Filing date: Nov 14, 1997
• Grant date: Aug 31, 1999
• Expiry date: Nov 14, 2017

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E04F2290/048
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to electrically conductive pigments which as a conductive layer on a platelet-shaped or needle-shaped substrate have a niobium- and/or tantalum-doped tin oxide or titanium dioxide layer.