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:
Oct. 27, 2015
Filed:
Nov. 29, 2011
Applicant:
John E. Stauffer, Greenwich, CT (US);
Inventor:
John E. Stauffer, Greenwich, CT (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C10G 1/04 (2006.01); C10G 1/00 (2006.01);
U.S. Cl.
CPC ...
C10G 1/002 (2013.01); C10G 1/04 (2013.01); C10G 2300/44 (2013.01);
Abstract
Carbon disulfide is used as a solvent to extract bitumen from oil sands in an anhydrous countercurrent flow process that is compatible with existing procedures for upgrading bitumen. The solution is then treated in a thermal reaction to reduce viscosity and then fractionated to recover the bitumen.