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. 03, 1992
Filed:
Dec. 14, 1990
Applicant:
Inventor:
Lloyd G Becraft, Ponca City, OK (US);
Assignee:
Conoco, Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208131 ; 208 50 ;
Abstract
Low sulfur isotropic coke is produced by the delayed coking of a mixture of a pyrolysis tar and a residual oil which has been solvent extracted to remove paraffinic components and then air-blown.