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, 1994
Filed:
Sep. 25, 1992
Applicant:
Inventors:
Richard A Wolfe, Abingdon, VA (US);
Chang J Im, Abingdon, VA (US);
Robert E Wright, Bristol, TN (US);
Assignee:
Coal Technology Corporation, Bristol, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44551 ; 44564 ; 44591 ; 44281 ; 585 14 ;
Abstract
A method of recovering coal liquids and producing metallurgical coke utilizes low ash, low sulfur coal as a parent for a coal char formed by pyrolysis with a volatile content of less than 8%. The char is briquetted and heated in an inert gas over a prescribed heat history to yield a high strength briquette with less than 2% volatile content.
Wolfe, Richard. (1994). Process for converting coal into liquid fuel and metallurgical coke (U.S. Patent No. 5296005). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5296005
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile