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:
May. 11, 2010
Filed:
Apr. 28, 2004
Applicants:
Pierre Dufresne, Valence, FR;
Franck Labruyere, Saint Georges les Bains, FR;
François Locatelli, Valence, FR;
Inventors:
Pierre Dufresne, Valence, FR;
Franck Labruyere, Saint Georges les Bains, FR;
François Locatelli, Valence, FR;
Assignee:
Eurecat S.A., LaVoulte sur Rhone, FR;
Primary Examiner:
Int. Cl.
CPC ...
B01J 27/02 (2006.01); B01J 27/043 (2006.01); B01J 27/045 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns a process for 'ex situ' treatment of a hydrogenation catalyst containing nickel prior to use, consisting of carrying out three steps, namely bringing the catalyst into contact with at least one sulphur-containing compound or agent (the step termed selectivation), treating said catalyst with hydrogen at a temperature of more than 250° C. (the step termed reduction) and passivation of said catalyst.