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. 13, 1985
Filed:
Nov. 13, 1984
Applicant:
Inventors:
Yuzo Sanada, Sapporo, JP;
Susumu Yokoyama, Sapporo, JP;
Tadatoshi Chiba, Ishikari, JP;
Tetsuro Yokono, Sapporo, JP;
Hiroshi Moritomi, Sapporo, JP;
Toshiyuki Obara, Sapporo, JP;
Hiroshi Nagaishi, Sapporo, JP;
Assignee:
Hokkaido University, Sapporo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 10 ;
Abstract
Disclosed are a catalyst for direct liquefaction of coal, which consists of selenium, a selenium compound, or a mixture of selenium or the selenium compound with a metal oxide, and a method of directly liquefying coal in the presence of such a catalyst.