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. 16, 1991
Filed:
Nov. 22, 1988
Applicant:
Inventors:
Michael J Block, Fullerton, CA (US);
Arnold E Kelley, Orange, CA (US);
Milan Skripek, Fullerton, CA (US);
Assignee:
Union Oil Company of California, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
201 17 ; 201 34 ; 201 44 ; 208131 ; 423449 ;
Abstract
The friability of green needle coke is reduced by heating the green needle coke to a temperature between about 875.degree. F. and about 1,200.degree. F. for a time sufficient to reduce the friability of the green needle coke.