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:
Aug. 05, 1997
Filed:
May. 31, 1995
Applicant:
Inventors:
Pierre Dufresne, Valence, FR;
Hans Rabehasaina, Loriol sur Drome, FR;
Georges Berrebi, Bourg les Valences, FR;
Assignee:
Europeenne De Retraitement De Catalyseurs Eurecat, La Voulte sur Rhone, FR;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502220 ; 502168 ; 502216 ; 502219 ; 502 22 ; 502 31 ; 208 46 ; 208106 ; 208108 ; 208113 ;
Abstract
A process is provided for starting a catalytic hydrocarbon conversion reaction or using a hydrocarbon conversion catalyst into which a sulfur agent has been incorporated. In an inert atmosphere, the sulfur-impregnated catalyst is treated with dilute hydrogen to prevent excessive temperatures during the exothermic transformation of oxides into sulfides of the active metals of the catalyst.