Gulf Oil Canada Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Gulf Oil Canada Ltd..The latest application filed is for "dilution centrifuging of bitumen froth from the hot water process for tar sand".

Company Profile

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Gulf Oil Canada Ltd. - Edmonton CA
Gulf Oil Canada Limited - N/A
Gulf Oil Canada Limited - Toronto CA
Gulf Oil Canada Ltd. - ALL OF CA
Gulf Oil Canada, Ltd. - N/A

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Dilution centrifuging of bitumen froth from the hot water process for tar sand Grant 4,383,914 - Kizior May 17, 1	1983-05-17
Non-ionic emulsifying release agent for bituminous sands conveyor belt Grant 4,197,937 - Sanford , et al. April 15, 1	1980-04-15
Process of treating bituminous sands conveyor belt with release agent Grant 4,172,811 - Sanford , et al. October 30, 1	1979-10-30
Process for secondary recovery of bitumen in hot water extraction of tar sand Grant 4,172,025 - Porteous , et al. October 23, 1	1979-10-23
Method for concentrating heavy minerals in the solids tailings from hot water extraction of tar sands Grant 4,150,093 - Kaminsky , et al. April 17, 1	1979-04-17
Bitumen-sodium hydroxide-water emulsion release agent for bituminous sands conveyor belt Grant 4,146,125 - Sanford , et al. March 27, 1	1979-03-27
Method for concentrating heavy minerals in the solids tailings from hot water extraction of tar sands Grant 4,138,467 - Kaminsky , et al. February 6, 1	1979-02-06
Treatment of tumbler reject Grant 4,131,535 - Porteous December 26, 1	1978-12-26
Deaerator circuit for bitumen froth Grant 4,116,809 - Kizior September 26, 1	1978-09-26
Dual control system for tailings outlet of primary separation vessel in the hot water process for bituminuous sands Grant 4,107,029 - Lorenz August 15, 1	1978-08-15
Asphalt impregnated felt building materials Grant 4,079,158 - Kennepohl , et al. March 14, 1	1978-03-14
Two stage separation system Grant 3,935,076 - Cymbalisty January 27, 1	1976-01-27
Apparatus for admixing fuel and combustion air Grant 3,922,137 - Peczeli , et al. November 25, 1	1975-11-25
Light stable polyurethanes based on dicyclohexyl and diisocyanates Grant 3,870,683 - Freure , et al. March 11, 1	1975-03-11
Process For Washing Secondary Separator Froth To Recover Bitumen Grant 3,784,464 - Kaminsky January 8, 1	1974-01-08
Preparation Of Mineral Free Asphaltenes Grant 3,779,902 - Mitchell , et al. December 18, 1	1973-12-18
Thermal Insulation And Thermally Insulated Device Grant 3,695,483 - Pogorski October 3, 1	1972-10-03

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