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:
Apr. 20, 2010
Filed:
Nov. 06, 2007
Gil Mabilon, Lyons, FR;
Patrice Marecot, Saint Georges les Baillargeaux, FR;
Denis Uzio, Belleville, FR;
Catherine Especel, Buxerolles, FR;
Florence Epron, Neuville de Poitou, FR;
Gil Mabilon, Lyons, FR;
Patrice Marecot, Saint Georges les Baillargeaux, FR;
Denis Uzio, Belleville, FR;
Catherine Especel, Buxerolles, FR;
Florence Epron, Neuville de Poitou, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
A catalyst comprising at least one porous support, at least some platinum, and at least a second group VIII metal which is different from platinum and iridium, said catalyst having been prepared in accordance with a process comprising a) impregnation of the support with at least one solution containing a platinum precursor, b) activation in a neutral or oxidizing atmosphere, at a temperature of between 120 and 800° C., c) activation in a reducing medium, at a temperature of between 0 and 800° C., d1) impregnation with an aqueous solution and d2) treatment with at least one hydrogen donor compound, at a temperature of less than 200° C., e) the impregnation of the support, which has already been impregnated with the platinum, with at least one solution containing a precursor of said second group VIII metal, and f) activation in a neutral, reducing, or oxidizing atmosphere, at a temperature of between 100 and 800° C.