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:
Jun. 03, 1986
Filed:
Dec. 12, 1984
Applicant:
Inventors:
Andrei Rhoe, Wyckoff, NJ (US);
Joseph A Pisani, Old Bridge, NJ (US);
Gary L Hamilton, Little Silver, NJ (US);
George D Suciu, Ridgewood, NJ (US);
Assignee:
Lummus Crest Inc., Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10C / ; C10C / ;
U.S. Cl.
CPC ...
208309 ; 208 45 ;
Abstract
Solvent refining of a residual oil is accomplished with a refining solvent containing methanol and propanol, preferably isopropanol. The solvent produces high yields of a high quality refined oil, as well as a pumpable pitch fraction.