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:
Apr. 12, 1988
Filed:
Oct. 05, 1984
Applicant:
Inventor:
David Hoover, New Tripoli, PA (US);
Assignee:
International Coal Refining Company, Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
208 50 ; 208 58 ; 208 89 ; 208131 ; 208403 ;
Abstract
The invention disclosed in this application is a process for the production of a premium grade needle coke which is historically feedstock dependent. The selected feedstock for this process is a hydrotreated SRC material (solvent refined coal) which produces a premium grade needle coke having a low ash, low sulfur and low solids content. The hydrotreating of the SRC material, before conversion to the premium grade needle coke, changes the molecular structure of the product by putting hydrogen therein and results in a different arrangement of the aromatic molecules in the resultant premium grade needle coke.