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:
Jun. 04, 1996
Filed:
Feb. 13, 1995
Applicant:
Inventors:
Bernard Cheminal, Brignais, FR;
Francois Garcia, Saint Genis Laval, FR;
Eric Lacroix, Lyons, FR;
Andre Lantz, Vernaison, FR;
Assignee:
d'Elf Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
570169 ; 502315 ; 502257 ; 502314 ; 502-8 ;
Abstract
The invention relates to mass catalysts based on chromium and nickel oxides, obtained from a sol of chromium and nickel hydroxides. These catalysts, in which the Ni/Cr atomic ratio is between 0.05 and 5, may be used from the fluorination of halogenated hydrocarbons by HF in the gas phase.