Canada-Cities Service, Ltd.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 25, 1984 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 192 Total Citation Count
- Nov 01, 1977 Earliest Filing
- 13 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4474616 Blending tar sands to provide feedstocks for hot water processExpiredDec 13, 83Oct 02, 84[C10G]
4462892 Control of process aid used in hot water process for extraction of bitumen from tar sandExpiredMar 17, 83Jul 31, 84[C10G]
4383914 Dilution centrifuging of bitumen froth from the hot water process for tar sandExpiredMay 18, 81May 17, 83[C10G]
4282103 Method for controlling flocculant addition to tar sand tailingsExpiredNov 20, 79Aug 04, 81[C02F, B01D]
4225422 Beneficiation of heavy minerals from bituminous sands residues by dry screeningExpiredSep 17, 79Sep 30, 80[B07B]
4225433 Filtration of hot water extraction process whole tailingsExpiredOct 02, 78Sep 30, 80[C02F, B01D]
4201656 Process aid addition in hot water process based on feed fines contentExpiredFeb 21, 79May 06, 80[C10G]
4197937 Non-ionic emulsifying release agent for bituminous sands conveyor beltExpiredNov 01, 77Apr 15, 80[B65G]
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