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:
Nov. 13, 1984
Filed:
Aug. 17, 1982
Applicant:
Inventors:
Daniel M Coombs, Bartlesville, OK (US);
Gary P Willers, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10C / ; C10C / ; C10G / ;
U.S. Cl.
CPC ...
208309 ; 208312 ; 208 45 ; 2082 / ;
Abstract
The recovery of hydrocarbon values from high metals content feeds can be carried out more efficiently via supercritical extraction with recycle of a portion of the asphalt product and proper control of the use of countercurrent solvent flow to said extraction.