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:
Jun. 18, 2002
Filed:
Sep. 14, 1995
Applicant:
Inventors:
Werner Hartmann, Babenhausen, DE;
Dieter Kerner, Hanau, DE;
Assignee:
Degussa Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 2/304 ; A61K 7/42 ;
U.S. Cl.
CPC ...
C01G 2/304 ; A61K 7/42 ;
Abstract
A titanium dioxide powder/iron oxide mixed oxide which is prepared from FeCl and TiCl using a pyrogenic, especially a flame hydrolytic method. A further possibility is to coat pyrogenically, especially flame hydrolytically prepared titanium dioxide with iron oxide in aqueous dispersion. Both of these titanium dioxide powders which contain iron oxide may be used as a UV absorber in sunscreens.