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:
May. 05, 1992
Filed:
May. 16, 1991
Applicant:
Inventors:
Hidefumi Yamaguchi, Kitakyushu, JP;
Hiroyuki Kiyofuji, Kitakyushu, JP;
Katsuhiro Shirono, Kitakyushu, JP;
Rinpei Tokuou, Kitakyushu, JP;
Jun Fuchigami, Kitakyushu, JP;
Assignee:
Catalysts & Chemicals Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502314 ; 2082 / ; 2082 / ;
Abstract
A catalyst is disclosed for hydrotreating heavy hydrocarbon oils, which catalyst comprises a catalyst component supported on an alumina carrier having an average fibrous particle length of 10-20 Nm and a specified proportion of fibrous alumina particle in that range of particle lengths. A process is also disclosed for preparing such hydrotreating catalyst.