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:
Oct. 23, 2001
Filed:
Jul. 15, 1999
Applicant:
Inventors:
Assignee:
Otsuka Kagaku Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/300 ; C01G 2/3047 ; C09C 1/36 ; C04B 3/546 ; C04B 3/548 ;
U.S. Cl.
CPC ...
B01J 2/300 ; C01G 2/3047 ; C09C 1/36 ; C04B 3/546 ; C04B 3/548 ;
Abstract
A titanium dioxide photocatalyst having a monoclinic crystal structure is prepared by subjecting a titanium dioxide hydrate fiber to a heat treatment at a temperature of 80 to 350° C., and then further heat treatment at a temperature of 360 to 650° C., and a multifunctional material is obtained by use of the photocatalyst.