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:
Dec. 03, 2013
Filed:
Jan. 08, 2004
Applicants:
Oleg Stenzel, Köln, DE;
Anke Blume, Weilerswist, DE;
Hans-detlef Luginsland, Hoboken, NJ (US);
Stefan Uhrlandt, Belle Mead, NJ (US);
André Wehmeier, Hürth, DE;
Inventors:
Oleg Stenzel, Köln, DE;
Anke Blume, Weilerswist, DE;
Hans-Detlef Luginsland, Hoboken, NJ (US);
Stefan Uhrlandt, Belle Mead, NJ (US);
André Wehmeier, Hürth, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.