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. 27, 1979
Filed:
May. 07, 1976
Applicant:
Inventors:
Harvey E Alford, Amherst, OH (US);
Edward N Marsh, South Laguna, CA (US);
Assignee:
Standard Oil Company (Indiana), Cleveland, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10B / ; C01B / ;
U.S. Cl.
CPC ...
201 17 ; 201 42 ; 423449 ; 423461 ;
Abstract
Delayed coke especially manufactured for use in graphite can be effectively desulfurized by calcining in a hydrocarbon fuel-fired calciner in the temperature range of 2700.degree. F. to 2900.degree. F. without adversely affecting the strength of the coke or the coefficient of thermal expansion of the graphitized coke.