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Her Majesty the Queen in right of Canada, as represented by the Minister of Energy, Mines and Resources
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Ottawa, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Oligomerization of low molecular weight olefins in ambient temperat...
Patent number
5,463,158
Issue date
Oct 31, 1995
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Maciej Goledzinowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst composition for the selective hydrogenation of benzene and...
Patent number
5,457,252
Issue date
Oct 10, 1995
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Udai S. Gill
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the recovery of metallic iron from slags and other resi...
Patent number
5,427,607
Issue date
Jun 27, 1995
Her Majesty the Queen in Right of Canada as represented by the Minister of En...
Marius A. Cristovici
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Nozzle for fluidizing particulate material
Patent number
5,405,063
Issue date
Apr 11, 1995
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Long J. Chen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Long lasting alkali and alkaline earth metal sensor
Patent number
5,336,389
Issue date
Aug 9, 1994
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Alain Dubreuil
G01 - MEASURING TESTING
Information
Patent Grant
Upgrading oil emulsions with carbon monoxide or synthesis gas
Patent number
5,322,617
Issue date
Jun 21, 1994
Her Majesty the Queen in Right of Canada as represented by the Minister of En...
Theo J. W. de Bruijn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Adhesion of asphalt to aggregates
Patent number
5,312,483
Issue date
May 17, 1994
Her Majesty the Queen in right of Canada as represented by the Minister of En...
Henry Sawatzky
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Recovery of platinum group metals (PGM) from acidic solutions by re...
Patent number
5,304,233
Issue date
Apr 19, 1994
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Farouk T. Awadalla
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for controlled delivery of particulate material
Patent number
5,286,451
Issue date
Feb 15, 1994
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
K. Nimalasiri De Silva
G01 - MEASURING TESTING
Information
Patent Grant
Selective recovery of gold and silver from carbonate eluates
Patent number
5,261,945
Issue date
Nov 16, 1993
Her Majesty the Queen in right of Canada as represented by the Minister of En...
Farouk T. Awadalla
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sample introduction for spectrometers
Patent number
5,256,374
Issue date
Oct 26, 1993
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
K. Nimalasiri De Silva
G01 - MEASURING TESTING
Information
Patent Grant
Softening agents for recycling asphalt pavement
Patent number
5,234,494
Issue date
Aug 10, 1993
Her Majesty the Queen in right of Canada as represented by the Minister of En...
Henry Sawatzky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Long lasting thermocouple for high temperature measurements of liqu...
Patent number
5,232,286
Issue date
Aug 3, 1993
Her Majesty the Queen in right of Canada as represented by the Minister of En...
Alain Dubreuil
G01 - MEASURING TESTING
Information
Patent Grant
Recovery of gold from solution by reduction-precipitation with stab...
Patent number
5,223,023
Issue date
Jun 29, 1993
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Farouk T. Awadalla
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of dissolved gold by sodium borohydride (NaBH.sub.4) reduc...
Patent number
5,178,665
Issue date
Jan 12, 1993
Her Majesty the Queen in Right of Canada as represented by the Minister of En...
Kazi E. Haque
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Bubble measurement cell
Patent number
5,152,175
Issue date
Oct 6, 1992
Her Majesty the Queen in right of Canada as represented by the Minister of En...
Vaughan G. Reynolds
G01 - MEASURING TESTING
Information
Patent Grant
Electrolytic hydrometallurgical silver refining
Patent number
5,135,624
Issue date
Aug 4, 1992
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Khay Gie J. Tan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Upgrading oil emulsions with carbon monoxide or synthesis gas
Patent number
5,104,516
Issue date
Apr 14, 1992
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Theo J. W. de Bruijn
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for reducing the viscosity of heavy hydrocarbon oils
Patent number
5,096,566
Issue date
Mar 17, 1992
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
William H. Dawson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Emplacement of filter packs and seals for groundwater monitoring
Patent number
5,078,212
Issue date
Jan 7, 1992
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Daniel R. Boyle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Catalyst regeneration process using laser radiation
Patent number
5,037,785
Issue date
Aug 6, 1991
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Michael F. Wilson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Underwater control system
Patent number
4,996,673
Issue date
Feb 26, 1991
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
John Brooke
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Delta P instrument for oxidation measurement
Patent number
4,671,098
Issue date
Jun 9, 1987
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Randy J. Mikula
G01 - MEASURING TESTING
Information
Patent Grant
Road asphalt compositions containing visbreaking residues
Patent number
4,631,088
Issue date
Dec 23, 1986
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Marc-Andre Poirier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Roofing asphalt compositions containing hydrocracked pitch
Patent number
4,617,062
Issue date
Oct 14, 1986
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Marc-Andre Poirier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Assembly for concurrent thermogravimetry and differential thermal a...
Patent number
4,606,649
Issue date
Aug 19, 1986
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Shaheer A. Mikhail
G01 - MEASURING TESTING
Information
Patent Grant
Process for breaking emulsions produced during recovery of bitumens...
Patent number
4,600,501
Issue date
Jul 15, 1986
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Marc-Andre Poirier
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydronium (H.sub.3 O.sup.+) polycrystalline superionic conductors a...
Patent number
4,586,991
Issue date
May 6, 1986
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Patrick S. Nicholson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Stress measurement by X-ray diffractometry
Patent number
4,561,062
Issue date
Dec 24, 1985
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Crighton M. Mitchell
G01 - MEASURING TESTING
Information
Patent Grant
Clarification of black water produced during recovery of bitumens a...
Patent number
4,519,915
Issue date
May 28, 1985
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Albert E. George
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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last 30 patents
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