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. 28, 1995
Filed:
Nov. 16, 1992
Applicant:
Inventors:
Ian Ripley, Cleveland, GB;
Anthony H Needham, Cleveland, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208370 ; 137 13 ;
Abstract
The invention is directed to the thermal mobilization of black oil residues by direct and/or indirect heating whereby the mobilized residues are then removed from the tank by a localized negative pressure means. The removed black oil residues are then treated to recover an oil which may be utilized alone or combined with other petroleum products.