The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2007
Filed:
Aug. 04, 2004
Werner Niedermeier, Brühl, DE;
Joachim Fröhlich, Bornheim, DE;
Klaus Bergemann, Kerpen-Sindorf, DE;
Egon Fanghänel, Halle, DE;
Bernd Knackfuss, Leipzig, DE;
Thomas Lüthge, Hanau, DE;
Werner Niedermeier, Brühl, DE;
Joachim Fröhlich, Bornheim, DE;
Klaus Bergemann, Kerpen-Sindorf, DE;
Egon Fanghänel, Halle, DE;
Bernd Knackfuss, Leipzig, DE;
Thomas Lüthge, Hanau, DE;
Degussa AG, Düsseldorf, DE;
Abstract
Carbon black having organic groups, the organic group containing a thiocyanate group. Also described is a process for the production of the carbon black, wherein carbon black is reacted with organic compounds containing a C—C double or triple bond, which is not part of an aromatic system, whose C—C double or triple bond is activated by at least one substituent, and the organic compound contains at least one thiocyanate group. The carbon black according to the invention can be used in rubber compounds.