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:
Aug. 29, 1989
Filed:
Jan. 27, 1988
Applicant:
Inventors:
Yasuyuki Oishi, Yokohama, JP;
Akira Inoue, Yokohama, JP;
Assignees:
Nippon Oil Co., Ltd., Nishi-Shimba, JP;
Petroleum Energy Center Foundation, Koji, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502314 ; 502204 ; 502206 ; 502207 ; 502247 ; 502254 ; 502255 ; 502259 ; 502260 ; 502306 ; 502308 ; 502315 ; 502321 ; 502322 ; 502323 ; 502328 ; 502332 ; 502335 ; 502337 ; 502353 ; 502354 ; 2082 / ;
Abstract
A catalyst for hydrotreating a heavy hydrocarbon oil which comprises a porous refractory inorganic oxide carrier component and at least one hydrogenating active metal component selected from nickel, cobalt and the like, the metal component concentration in the cross-section of the catalyst being the highest between the center of the cross-section and the periphery thereof.