ALBERTA ENERGY COMPANY LTD. (10%)
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 24, 1995 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 123 Total Citation Count
- Feb 12, 1981 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5460270 Oil sand extraction process with in-line middlings aeration and recycleExpiredSep 01, 93Oct 24, 95[C10G]
4776949 Recycle of secondary froth in the hot water process for extracting bitumen from tar sandExpiredDec 05, 85Oct 11, 88[C10G]
4462892 Control of process aid used in hot water process for extraction of bitumen from tar sandExpiredMar 17, 83Jul 31, 84[C10G]
4433239 Method and apparatus for on-line monitoring of bitumen content in tar sandExpiredFeb 12, 81Feb 21, 84[G01J, G01V]
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