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:
Mar. 26, 1991
Filed:
Aug. 16, 1989
Applicant:
Inventors:
Hatsutaro Yamazaki, Saitama, JP;
Takeshi Tomino, Ibaragi, JP;
Kazushi Usui, Chiba, JP;
Tomohiro Yoshinari, Saitama, JP;
Takuo Suzuki, Saitama, JP;
Assignee:
Cosmo Oil Company & Petroleum Energy Center, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502315 ; 502313 ; 502314 ; 502316 ;
Abstract
A catalyst composition for the hydrogenation of heavy hydrocarbon oil comprising at least one active ingredient for hydrogenation supported on a porous refractory oxide carrier and which has the following characteristics: