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. 11, 1988
Filed:
Dec. 05, 1985
Antony H Leung, Sherwood Park, CA;
Teddy K Kwong, Edmonton, CA;
Alberta Energy Company Ltd., Calgary, CA;
Canadian Occidental Petroleum Ltd., Calgary, CA;
Esso Resources Canada Limited, Calgary, CA;
Gulf Canada Limited, Toronto, CA;
Her Majesty the Queen in right of Canada, as represented by The Minister, , US;
Hbog-Oil Sands Limited Partnership, Calgary, CA;
Pancanadian Petroleum Limited, Calgary, CA;
Petro-Canada Inc., Calgary, CA;
Abstract
Froth, produced by induced air flotation in the hot water process circuit for extracting bitumen from tar sand, is recycled and added to the fresh slurry being introduced to the primary separation vessel. An increase in bitumen recovered as primary froth from the circuit is produced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile