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:
May. 25, 2004
Filed:
Jun. 17, 2002
Applicant:
Inventors:
Thierry Chopin, Saint-Leu-la-Foret, FR;
Dominique Dupuis, Deuil-la-Barre, FR;
Claudie Willemin, Paris, FR;
Assignee:
Rhodia Chimie, Courbevoie Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 7/42 ; A61K 9/15 ; A61K 9/16 ; C09C 1/36 ; C01G 2/3047 ;
U.S. Cl.
CPC ...
A61K 7/42 ; A61K 9/15 ; A61K 9/16 ; C09C 1/36 ; C01G 2/3047 ;
Abstract
Anatase titanium dioxide particles with a size of at most 100 nm wherein the particles are at least partially covered with a layer of at least one metal oxide, hydroxide or hydroxide oxide and the particles exhibit a BET specific surface of at least 70 m /g and a relative density of the order of 2.2. A process for preparing the anatase dioxide particles is also disclosed.