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:
Feb. 15, 2005
Filed:
Jul. 20, 1999
Bernard Hendrik Reesink, Doorn, NL;
Willem Dijkstra, Jorwerd, NL;
Pieter Hildegardus Berben, Maarn, NL;
Marius Vaarkamp, Utrecht, NL;
Bernard Hendrik Reesink, Doorn, NL;
Willem Dijkstra, Jorwerd, NL;
Pieter Hildegardus Berben, Maarn, NL;
Marius Vaarkamp, Utrecht, NL;
Engelhard Corporation, Iselin, NJ (US);
Abstract
The invention is directed to a process for the hydrogenation of a sulfur containing feedstock, having a sulfur content of less than 50 ppm, wherein the feedstock is hydrogenated in the presence of a precious metal catalyst and a nickel-catalyst, said process being carried out in such a manner, that the feedstock is contacted with a mixture of precious metal catalyst, metal oxide and nickel catalyst, the feedstock is contacted initially with the precious metal catalyst followed by contact with the metal oxide and nickel catalyst, either in combination or sequentially, or the feedstock is contacted first with a mixture of precious metal catalyst and metal oxide, followed by contact with the nickel catalyst.