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:
Sep. 06, 2011
Filed:
Oct. 07, 2003
Applicants:
Steffen Hasenzahl, Hanau, DE;
Claus-peter Drexel, Neu-Isenberg, DE;
Jürgen Meyer, Stockstadt, DE;
Inventors:
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62D 1/00 (2006.01); C09K 3/00 (2006.01); C01B 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pulverulent materials which contain surface-modified and structure-modified pyrogenically prepared metalloid or metallic oxide for the purposes of improvement.