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:
Jul. 07, 1992
Filed:
Feb. 11, 1991
Applicant:
Inventors:
Alberto Delbianco, Magenta, IT;
Ermanno Girardi, San Donato Milanese, IT;
Assignee:
Eniricerche, S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208414 ; 208419 ; 208421 ; 208433 ; 208435 ;
Abstract
A process for the single-step coal liquefaction is disclosed, which comprises reacting coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from the group consisting of an alkaline hydroxide and a carbonate, and in the presence of a hydrogenation catalyst selected from the group consisting of transition metals and compounds thereof, by operating at temperatures within the range of from 300.degree. to 450.degree. C. for a reaction time within the range of from 30 to 80 minutes.