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:
Aug. 22, 1978
Filed:
Jul. 06, 1976
Applicant:
Inventors:
Morgan C Sze, Upper Montclair, NJ (US);
Thomas M Bennett, Scotch Plains, NJ (US);
Andre A Simone, Parsippany, NJ (US);
Kiyoshige Hayashi, Tokyo, JP;
Mikio Nakaniwa, Ome, JP;
Nobuyuki Kobayashi, Ichihara, JP;
Yoshihiko Hase, Ichihara, JP;
Assignees:
The Lummus Company, Bloomfield, NJ (US);
Maruzen Petrochemical Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ; C10B / ;
U.S. Cl.
CPC ...
252502 ; 208125 ; 208 50 ; 208131 ; 423450 ;
Abstract
A high crystalline coke can be prepared by heat-soaking a petroleum feedstock in the presence of added dissolved sulfur, heating to effect controlled thermal cracking thereof, separating non-crystalline substances as pitch, recovering a heavy cokable residue from the pitch free feed, and subjecting the residue to delayed coking.