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. 21, 2014
Filed:
Dec. 28, 2009
Willem P. C. Duyvesteyn, Reno, NV (US);
Julian Kift, Reno, NV (US);
Cherish M. Hoffman, Reno, NV (US);
Whip C. Thompson, Reno, NV (US);
Willem P. C. Duyvesteyn, Reno, NV (US);
Julian Kift, Reno, NV (US);
Cherish M. Hoffman, Reno, NV (US);
Whip C. Thompson, Reno, NV (US);
Shell Canada Energy Cheveron Canada Limited, Calgary Alberta, CA;
Abstract
A method of extracting bitumen from bituminous material. In some embodiments, the method may include loading a bitumen material in a column, followed by feeding a first quantity of first solvent into the column. The method may also include collecting the bitumen-enriched solvent exiting the column. A quantity of the bitumen-enriched solvent may then be fed into the column. In some embodiments, the method may include simultaneously loading bitumen material and a first solvent in a column, followed by feeding additional first solvent into the column. The method may also include collecting bitumen-enriched solvent exiting the column, and feeding a quantity of the bitumen-enriched solvent into the column.