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. 11, 1990
Filed:
Jan. 08, 1990
Masaei Kawashima, Tochigi, JP;
Reishi Naka, Tochigi, JP;
Teruo Tsunoda, Tochigi, JP;
Nobuyoshi Suenaga, Oyama, JP;
Syozo Ogawa, Tochigi, JP;
Masaaki Kashiwabuchi, Tochigi, JP;
Miyakichi Kameda, Sano, JP;
Koosuke Tanaka, Tochigi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A photocatalystic decomposing apparatus comprises absorbent including honeycomb form active carbon and titanium oxide acting as photocatalyst applied to a surface of the active carbon, and a light source for generating ultraviolet rays exciting the photocatalyst. Stink ingredient is absorbed to the active carbon by passing air flow through openings in the honeycomb, and the absorbed stink ingredient is decomposed by exciting the photocatalyst due to application of the ultraviolet rays.