logo

For the Inventor, By the Inventor

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.:

US 8658029 B1

PDFFull Text
Date of Patent:
Feb. 25, 2014

Filed:

Aug. 13, 2012

Dry, stackable tailings and methods for producing the same

Applicants:

Willem P. C. Duyvesteyn, Reno, NV (US);

Julian Kift, Reno, NV (US);

Inventors:

Willem P. C. Duyvesteyn, Reno, NV (US);

Julian Kift, Reno, NV (US);

Assignee:

Marathon Oil Canada Corporation, Calgary, Alberta, CA;

Attorneys:

Jack E. Ebel

Corey S. Tumey

Rodney F. Brown

Primary Examiner:

Renee E Robinson

Int. Cl.
CPC ...
C10G 21/02 (2006.01); C10G 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods for preparing solvent-dry, stackable tailings. The methods may include a primary leaching or extraction process that separates most of the bitumen from a material comprising bitumen and produces first solvent-wet tailings. The first solvent-wet tailings are washed with a second solvent that removes the first solvent from the tailings. Second solvent remaining in the tailings is removed to thereby produce solvent-dry, stackable tailings.

Find Patent Forward Citations

Duyvesteyn, Willem P. C.. (2014). Dry, stackable tailings and methods for producing the same (U.S. Patent No. 8658029). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8658029

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…