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. 11, 1987
Filed:
Apr. 05, 1985
Applicant:
Inventors:
Roger P Van Driesen, Titusville, NJ (US);
John R Friday, Ridgewood, NJ (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10C / ; C10C / ;
U.S. Cl.
CPC ...
208 86 ; 208 45 ; 208108 ; 208112 ; 208309 ;
Abstract
A feed is subjected to deasphalting to separately recover oil, resin and pitch. The resin fraction is upgraded to valuable product, for example, by hydrogenation or visbreaking, and heavier components from the upgrading are recycled to the deasphalting for removing pitchlike components prior to being recycled to the upgrading step.