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:
Dec. 16, 1997
Filed:
Aug. 24, 1995
Applicant:
Inventors:
Isao Terada, Kanagawa, JP;
Shinichiro Arai, Kanagawa, JP;
Assignee:
Nichias Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
422122 ; 55524 ; 55527 ; 55DI / ; 423219 ; 502 64 ; 502 87 ; 502324 ;
Abstract
An ozone filter comprising a paper carrier made of inorganic fiber and having a high porosity is disclosed. Supported by the carrier is a zeolite powder having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of not smaller than 15 and fine powder-like activated manganese dioxide having ozone decomposing capability. A process for producing the ozone filter is also disclosed. The ozone filter does not give off a foul smell even when used for a long period of time.