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. 07, 2011
Filed:
Sep. 30, 2004
Marcel Adriaan Jansen, Nieuw Vennep, NL;
Franciscus Wilhelmus Van Houtert, Landsmeer, NL;
Toshiyuki Ado, Yokohama, JP;
Tetsuro Kamo, Niihama, JP;
Naohiro Nishimoto, Kami, JP;
Marcel Adriaan Jansen, Nieuw Vennep, NL;
Franciscus Wilhelmus Van Houtert, Landsmeer, NL;
Toshiyuki Ado, Yokohama, JP;
Tetsuro Kamo, Niihama, JP;
Naohiro Nishimoto, Kami, JP;
Albemarle Europe, SPRL, Louvain-la-Neuve, BE;
Nippon Ketjen Co., Ltd., Tokyo, JP;
Abstract
The invention pertains to a process for activating an hydrotreating catalyst comprising a Group VIB metal oxide and a Group VIII metal oxide which process comprises contacting the catalyst with an acid and an organic additive which has a boiling point in the range of 80-500° C. and a solubility in water of at least 5 grams per liter (20° C., atmospheric pressure), optionally followed by drying under such conditions that at least 50% of the additive is maintained in the catalyst. The hydrotreating catalyst may be a fresh hydrotreating catalyst or a used hydrotreating catalyst which has been regenerated.