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. 22, 2011
Filed:
Dec. 10, 2009
Applicants:
Christian Schulze-isfort, Limeshain, DE;
Oswin Klotz, Westerngrund, DE;
Rainer Golchert, Dieburg, DE;
Uwe Diener, Grosskrotzenburg, DE;
Kai Schumacher, Hofheim, DE;
Inventors:
Christian Schulze-Isfort, Limeshain, DE;
Oswin Klotz, Westerngrund, DE;
Rainer Golchert, Dieburg, DE;
Uwe Diener, Grosskrotzenburg, DE;
Kai Schumacher, Hofheim, DE;
Assignee:
Evonik Degussa GmbH, Hanau, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G 23/07 (2006.01); C01G 23/047 (2006.01);
U.S. Cl.
CPC ...
Abstract
A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m/g, and a rutile content of a sum of crystalline modifications in the crystalline titanium dioxide is from of 50-70%.