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:
Nov. 18, 2003
Filed:
Mar. 28, 2002
Applicant:
Inventors:
Eric Lacroix, Amberieux d'Azergues, FR;
Jean-Pierre Schirmann, Paris, FR;
Assignee:
Elf Atochem, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/706 ; B01J 2/7132 ; B01J 2/7128 ;
U.S. Cl.
CPC ...
B01J 2/706 ; B01J 2/7132 ; B01J 2/7128 ;
Abstract
Catalysts which are useful in the fluorination of halogenated hydrocarbons by HF in the gas phase are obtained by simple impregnation of a bulk chromium oxide with a solution of a nickel derivative, the chromium oxide used exhibiting a BET specific surface of greater than 150 m /g and a pore volume of greater than 0.15 ml/g.