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. 10, 2013
Filed:
Sep. 30, 2010
Applicants:
Wolfgang Lortz, Waechtersbach, DE;
Christoph Batz-sohn, Hanau, DE;
Gabriele Perlet, Grosskrotzenburg, DE;
Werner Will, Gelnhausen, DE;
Gerrit Schneider, Hanau, DE;
Inventors:
Wolfgang Lortz, Waechtersbach, DE;
Christoph Batz-Sohn, Hanau, DE;
Gabriele Perlet, Grosskrotzenburg, DE;
Werner Will, Gelnhausen, DE;
Gerrit Schneider, Hanau, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B24D 3/02 (2006.01); C09C 1/68 (2006.01); C09K 3/14 (2006.01); C01B 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for the production of an aqueous dispersion of pyrogenically produced metal oxide and metalloid oxide powders with a BET surface area of between 5 and 600 m/g, with a metal oxide or metalloid oxide content in the dispersion of between 5 and 25 wt. %, comprising the following steps: