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. 24, 1981
Filed:
Aug. 17, 1979
Applicant:
Inventors:
Joseph J Dickert, Jr, Yardley, PA (US);
Thomas O Mitchell, Trenton, NJ (US);
Darrell D Whitehurst, Titusville, NJ (US);
Assignee:
Electric Power Research Institute, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 / ; 208 10 ;
Abstract
Preliminary extraction of coal with mineral acid changes the course of coal liquefaction in a solvent under hydrogen pressure. At short reaction periods, yields of high boiling fuel product is enhanced.