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:
Aug. 12, 2014
Filed:
Jan. 22, 2010
Applicants:
Hiroaki Ikebe, Narashino, JP;
Hiroshi Yokohata, Narashino, JP;
Masaaki Sakurai, Narashino, JP;
Toru Morita, Osaka, JP;
Inventors:
Hiroaki Ikebe, Narashino, JP;
Hiroshi Yokohata, Narashino, JP;
Masaaki Sakurai, Narashino, JP;
Toru Morita, Osaka, JP;
Assignees:
Toyo Engineering Corporation, Tokyo, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 33/06 (2006.01); C10G 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of produced water treatment in an in-situ recovery method of producing bitumen from oil sand, the method has the steps of: separating bitumen from bitumen-mixed fluid so as to leave produced water, the bitumen-mixed fluid having been recovered from the oil sand wells; and filtering the produced water via a microfiltration membrane made of polytetrafluoroethylene.