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:
Jul. 06, 1999
Filed:
Apr. 07, 1998
Applicant:
Inventors:
Yasuhiro Hatano, Sakai, JP;
Hiroki Miyamoto, Nara, JP;
Kei Miyamoto, Nara, JP;
Atsushi Kakitsuji, Yao, JP;
Toshikazu Nosaka, Izumi, JP;
Akira Aoki, Sakai, JP;
Tadashi Takatuka, Osaka, JP;
Takeshi Ohara, Osaka, JP;
Toshiaki Oura, Matsubara, JP;
Assignees:
Osaka Prefectural Government, Osaka-fu, JP;
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B32B / ; C01B / ;
U.S. Cl.
CPC ...
502227 ; 502233 ; 502236 ; 502242 ; 502350 ; 50252712 ; 50252715 ; 428403 ; 428404 ; 4274193 ; 4272553 ; 516111 ; 423338 ;
Abstract
A primary object of the present invention is to easily and securely fix a photocatalyst to a substrate. According to the invention, there is provided a process for preparing a photocatalyst material, the process comprising a first step of forming an undercoating containing silica gel on a substrate, a second step of bringing titanium tetrachloride into contact with the undercoating and a third step of heat-treating the coated substrate.