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.

Date of Patent:
Dec. 13, 1994

Filed:

Jul. 17, 1990
Applicant:
Inventors:

Tatsuyuki Kinoshita, Aichi, JP;

Naokazu Takeuchi, Aichi, JP;

Hiroshi Isozaki, Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B / ;
U.S. Cl.
CPC ...
422122 ; 422-5 ; 55512 ; 55527 ; 21050029 ; 210506 ; 210508 ; 210509 ; 239 56 ; 239 60 ;
Abstract

A deodorizing filter which is composed of a honeycomb structure of ceramic fibrous paper supporting cuprous oxide or both cuprous oxide and solid acid; and a method for manufacturing the deodorizing filter wherein the ceramic fibrous paper is soaked in the slurry of the mixture of reductant-added water solution with the cuprous oxide and binder or with the cuprous oxide, solid acid and binder and is dried; and then the ceremic fibrous paper is formed into the honeycomb-type filter; or the ceramic fibrous paper with the binder added is formed first into the honeycomb-type filter and then is soaked in the slurry of the mixture of reductant-added water solution with the cuprous oxide and binder or with the cuprous oxide, solid acid and binder and finally is dried to make the deodorizing filter.


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