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:
Apr. 27, 1993

Filed:

Dec. 09, 1991
Applicant:
Inventors:

Yoshinori Imoto, Aichi, JP;

Katsunosuke Hara, Aichi, JP;

Masakatsu Hiraoka, Uji City, Kyoto-Fu, JP;

Assignees:

NGK Insulators, Ltd., both of, JP;

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
4232 / ; 423481 ; 423483 ;
Abstract

An excellent method of decomposing flon is provided which can decompose flon economically with high decomposition efficiency without necessitating high temperature and high pressure by contacting a gas containing a flon with a catalyst at a condition of a temperature of not less than 200.degree. C. and space velocity of not over than 50,000 (hr.sup.-1).


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