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. 06, 1993
Filed:
Oct. 10, 1991
Tetsuro Kamo, Ichikawa, JP;
Sumitomo Metal Mining Company Limited, Tokyo, JP;
Abstract
A method of preparing a catalyst for hydrogenation of a hydrocarbon oil, wherein an aqueous solution containing a metal of Group VI of the Periodic Table and a metal of Group VIII of the same, along with a hydroxycarboxylic acid and optionally phosphoric acid is added to a carrier substance consisting essentially of at least one of an inorganic oxide and an inorganic hydrate, and the resulting blend is kneaded, shaped and thereafter dried at a temperature not higher than 200.degree. C. The catalyst has a high catalyst activity and is used for hydrogenation of a hydrocarbon oil, especially satisfying the requirement of reducing the sulfur content in a light oil.