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:
Sep. 30, 1997

Filed:

Mar. 28, 1996
Applicant:
Inventors:

Hoon Sik Kim, Seoul, KR;

Byung Gwon Lee, Seoul, KR;

Honggon Kim, Seoul, KR;

Hyunjoo Lee, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570168 ;
Abstract

A catalyst for fluorination of 1,1-dichloro-1-fluoroethane which is obtained by mixing chromic hydroxide and an aqueous solution of magnesium chloride, reacting the mixture with an aqueous solution of HF and then calcining the resulting product and a process for preparing 1,1,1,-trifluoroethane by reacting 1,1-dichloro-1-fluoroethane with HF in the presence of the above catalyst are provided.


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