Carbonaceous material

US6960250B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Thomas Luethge · Dortmund, DE
• Heinz Zoch · Maintal, DE
• Ralph McIntosh · Hanau, DE
• Klaus Bergemann · Biberach, DE
• Egon Fanghaenel · Bodenwerder, DE
• Bernd Knackfuss · Strelln, DE

Key dates

• Filing date: Aug 14, 2003
• Grant date: Nov 1, 2005
• Expiry date: Aug 14, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/22
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A carbonaceous material with organic groups obtainable by reacting carbonaceous material with organic compounds of the general formula IR1—N═N—R2  (I).The carbonaceous material with organic groups is produced by reacting the carbonaceous material with an organic compound of the general formula I. The material may be used as a filler, reinforcing filler, UV stabilizer, conductive carbon black or pigment.