Patent · US Expired

Carbon-containing material

US6758891B2 · kind B2 · utility

21Cited by

3References

17Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Klaus Bergemann · Biberach, DE
Egon Fanghaenel · Bodenwerder, DE
Bernd Knackfuss · Strelln, DE
Thomas Luethge · Dortmund, DE

Key dates

Filing date	Oct 1, 2002
Grant date	Jul 6, 2004
Priority date	—
Expiry date	Oct 1, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2006/22
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A carbon-containing material with organic groups, which is obtainable by reaction of the carbon-containing material with organic compounds of the general formula 1 A process for preparing the carbon-containing material according to the invention is also described. The carbon-containing materials according to the invention can be used as fillers, reinforcing fillers, UV stabilizers, conductivity carbon blacks or pigments.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.