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. 30, 2003
Filed:
Mar. 27, 2001
Applicant:
Inventors:
Ina Hemme, Hanau, DE;
Helmut Mangold, Rodenbach, DE;
Sven-Uwe Geissen, Clausthal-Zellerfeld, DE;
Anna Moiseev, Clausthal-Zellerfeld, DE;
Assignee:
Degussa AG, Dusseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G 2/304 ;
U.S. Cl.
CPC ...
C01G 2/304 ;
Abstract
A process for the preparation of doped, pyrogenically prepared titanium dioxide is described. The titanium dioxide is doped with zinc oxide, platinum oxide, magnesium oxide, or aluminium oxide, by injecting an aerosol of the oxide into the production stream. The doped titanium dioxide may be used as a photocatalyst or UV absorber.