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:
Dec. 04, 1990
Filed:
Feb. 16, 1990
Applicant:
Inventors:
Assignee:
Sumitomo Metal Mining Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 66 ;
Abstract
A new catalyst, which is Ni-Mo metal loaded on zeolite-alumina carrier, provides efficient hydrotreatment of solvent for coal liquefaction and cracking of high boiling fractions, especially high boiling n-paraffins, whereby undesired accumulation of n-paraffins can be prevented and liquefaction operations can be stably performed over long periods of time.