Her Majesty the Queen in the right of the Province of Alberta
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 02, 1992 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 116 Total Citation Count
- May 18, 1981 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5118408 Reducing the water and solids contents of bitumen froth moving through the launder of a spontaneous flotation vesselExpiredSep 06, 91Jun 02, 92[B03D, C10G]
5009773 Monitoring surfactant content to control hot water process for tar sandExpiredJan 07, 87Apr 23, 91[C10E]
4383914 Dilution centrifuging of bitumen froth from the hot water process for tar sandExpiredMay 18, 81May 17, 83[C10G]
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