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. 22, 2004
Filed:
Mar. 08, 2001
Applicant:
Inventor:
Marius Vaarkamp, Utrecht, NL;
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 3/860 ; B01J 2/034 ; B01J 3/810 ;
U.S. Cl.
CPC ...
B01J 3/860 ; B01J 2/034 ; B01J 3/810 ;
Abstract
The invention is directed to a process for the regeneration of a catalyst, said catalyst comprising at least one precious metal on an amorphous silica-alumina support, in which process the catalyst is impregnated with an acid, followed by reduction or oxidation of the impregnated catalyst at a temperature above 200° C.