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. 22, 1983
Filed:
Sep. 03, 1981
Applicant:
Inventors:
Norman L Carr, Allison Park, PA (US);
William G Moon, Cheswick, PA (US);
Michael E Prudich, Pittsburgh, PA (US);
Assignee:
The Pittsburg & Midway Coal Mining Co., Englewood, CO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ;
U.S. Cl.
CPC ...
208 / ; 208 10 ;
Abstract
A C.sub.5 -900.degree. F. (C.sub.5 -482.degree. C.) liquid yield greater than 50 weight percent MAF feed coal is obtained in a coal liquefaction process wherein a selected combination of higher hydrogen partial pressure, longer slurry residence time and increased recycle ash content of the feed slurry are controlled within defined ranges.
Quick Actions:
Carr, Norman. (1983). Coal liquefaction process (U.S. Patent No. 4377464). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4377464
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile