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:
Jan. 20, 1976
Filed:
Apr. 01, 1974
Applicant:
Inventors:
Raymond H Long, Morristown, NJ (US);
Morgan C Sze, Upper Montclair, NJ (US);
Assignee:
The Lummus Company, Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
201 17 ; 423461 ; 201 44 ; 201 20 ; 201 36 ;
Abstract
Coke is desulfurized by calcining coke at a temperature of 1600.degree. - 2200.degree. F. in admixture with sodium carbonate, followed by direct contact with phosgene or a mixture of carbon monoxide and chlorine at a temperature of 1200.degree. - 1800.degree. F. to produce coke having sulfur contents of less than 0.5 percent.