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:
Mar. 20, 1979
Filed:
Jan. 19, 1978
Applicant:
Inventors:
Sigmar P von Halasz, Kelkheim, DE;
Jurgen Korinth, Hofheim am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252415 ; 2606537 ;
Abstract
Chromoxyfluoride catalysts which are used for converting chlorocarbons with hydrogen fluoride into fluorochlorocarbons lose a part of their activity over a period of time. Reactivation of the catalysts occurs upon treatment with fluorine at temperatures of from 70 to 300.degree. C.