SHERRITT GORDON MINES LIMITED

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TORONTO, ONTARIO, CA

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of zinc from zinc-containing sulphidic material
- Patent number 4,832,925
- Issue date May 23, 1989
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Filtering media for controlling the flow of sand during oil well op...
- Patent number 4,821,800
- Issue date Apr 18, 1989
- Sherritt Gordon Mines Limited
- Leslie A. Scott
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for producing Sm.sub.2 Co.sub.17 alloy suitable for use as...
- Patent number 4,746,378
- Issue date May 24, 1988
- Sherritt Gordon Mines Limited
- Andrew G. Wysiekierski
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Quadrupole mass spectrometers
- Patent number 4,709,148
- Issue date Nov 24, 1987
- Sherritt Gordon Mines Limited
- Basil Meddings
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Production of fine spherical copper powder
- Patent number 4,645,532
- Issue date Feb 24, 1987
- Sherritt Gordon Mines Limited
- Vladimir N. Mackiw
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the recovery of silver from a residue essentially free...
- Patent number 4,632,701
- Issue date Dec 30, 1986
- Sherritt Gordon Mines Limited
- Roman M. Genik-Sas-Berezowsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of gold from refractory auriferous iron-containing sulphid...
- Patent number 4,610,724
- Issue date Sep 9, 1986
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the pressure oxidation acid leaching of non-ferrous met...
- Patent number 4,606,763
- Issue date Aug 19, 1986
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separately recovering gold and silver from solution by...
- Patent number 4,606,766
- Issue date Aug 19, 1986
- Sherritt Gordon Mines Limited
- Roman M. Genik-Sas-Berezowsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of nickel-chromium/chromium carbide coat...
- Patent number 4,606,948
- Issue date Aug 19, 1986
- Sherritt Gordon Mines Limited
- Karel Hajmrle
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Recovery of gold from refractory auriferous iron-containing sulphid...
- Patent number 4,605,439
- Issue date Aug 12, 1986
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of cobalt and nickel from sulphidic material
- Patent number 4,594,102
- Issue date Jun 10, 1986
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of making aureate colored coins, medallions and tokens and p...
- Patent number 4,579,761
- Issue date Apr 1, 1986
- Sherritt Gordon Mines Ltd.
- Michael J. H. Ruscoe
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Recovery of gold from refractory auriferous iron-containing sulphid...
- Patent number 4,571,264
- Issue date Feb 18, 1986
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of gold from refractory auriferous iron-containing sulphid...
- Patent number 4,571,263
- Issue date Feb 18, 1986
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of platinum group metals from nickel-copper-iron matte
- Patent number 4,571,262
- Issue date Feb 18, 1986
- Sherritt Gordon Mines Limited
- Derek G. E. Kerfoot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of protecting a metallic surface susceptible to abrasion by...
- Patent number 4,547,985
- Issue date Oct 22, 1985
- Sherritt Gordon Mines Limited
- Vilnis Silins
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for separately recovering zinc and lead values from zinc an...
- Patent number 4,545,963
- Issue date Oct 8, 1985
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering zinc from zinc ferrite material
- Patent number 4,510,028
- Issue date Apr 9, 1985
- Sherritt Gordon Mines Limited
- Gerald L. Bolton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of zinc from zinc containing sulphidic material
- Patent number 4,505,744
- Issue date Mar 19, 1985
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Recovery of zinc from zinc containing sulphidic materials
- Patent number 4,443,253
- Issue date Apr 17, 1984
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of zinc from zinc-containing sulphidic material
- Patent number 4,440,569
- Issue date Apr 3, 1984
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of radium from aqueous sulphate solutions
- Patent number 4,423,007
- Issue date Dec 27, 1983
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Recovery of uranium from material containing iron, arsenic and sili...
- Patent number 4,406,864
- Issue date Sep 27, 1983
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of uranium from sulphate solutions containing molybdenum
- Patent number 4,405,566
- Issue date Sep 20, 1983
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of dissolved cadmium and copper from sulphate solution with...
- Patent number 4,405,570
- Issue date Sep 20, 1983
- Sherritt Gordon Mines Limited
- Jack Van der Meulen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of silver powder from silver chloride, s...
- Patent number 4,388,109
- Issue date Jun 14, 1983
- Sherritt Gordon Mines Limited
- Wasyl Kunda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Removal of manganese and chloride ions from aqueous acidic zinc sul...
- Patent number 4,379,037
- Issue date Apr 5, 1983
- Sherritt Gordon Mines Limited
- Gerald L. Bolton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for removing dissolved selenium values from an acidic aqueo...
- Patent number 4,377,556
- Issue date Mar 22, 1983
- Sherritt Gordon Mines Limited
- Zoenek Hofirek
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of selenium from acidic copper/nickel solutions
- Patent number 4,374,808
- Issue date Feb 22, 1983
- Sherritt Gordon Mines Limited
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73642967 - TUFFPAC
- Serial number 73642967
- Filing date Feb 4, 1987
- Sherritt Gordon Mines Limited
- 6 - Common metals and their alloys
Information Trademark
73495065 - SHERRITT
- Serial number 73495065
- Registration number 1362893
- Filing date Aug 16, 1984
- SHERRITT GORDON MINES LIMITED
- 6 - Common metals and their alloys
Information Trademark
73424505
- Serial number 73424505
- Registration number 1341528
- Filing date May 5, 1983
- Sherritt Gordon Mines Limited
- 40 - Treatment of materials
Information Trademark
73332353 - TUFFSTUDDS
- Serial number 73332353
- Registration number 1233274
- Filing date Oct 13, 1981
- Sherritt Gordon Mines Limited
- 6 - Common metals and their alloys
Information Trademark
73325111 - TUFFSTUDDS
- Serial number 73325111
- Registration number 1250920
- Filing date Apr 24, 1981
- Sherritt Gordon Mines Limited
- 6 - Common metals and their alloys
Information Trademark
73281713 - N-B-S
- Serial number 73281713
- Registration number 1212128
- Filing date Oct 14, 1980
- Sherritt Gordon Mines Limited
- 6 - Common metals and their alloys
Information Trademark
72305162 - DS
- Serial number 72305162
- Registration number 891895
- Filing date Aug 14, 1968
- SHERRITT GORDON MINES LIMITED
- 6 - Common metals and their alloys
Information Trademark
72235345 - NITRO-PLUS
- Serial number 72235345
- Registration number 824727
- Filing date Dec 27, 1965
- SHERRITT GORDON MINES LIMITED
- 5 - Pharmaceutical and veterinary preparations
Information Trademark
72176270 - SHERRITT
- Serial number 72176270
- Registration number 771369
- Filing date Aug 30, 1963
- SHERRITT GORDON MINES LIMITED
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
72071233 - SHERRITT
- Serial number 72071233
- Registration number 689738
- Filing date Apr 9, 1959
- SHERRITT GORDON MINES LIMITED
- 6 - Common metals and their alloys
Information Trademark
71681645 - SHERRITT
- Serial number 71681645
- Registration number 618060
- Filing date Feb 14, 1955
- SHERRITT GORDON MINES LIMITED
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

SHERRITT GORDON MINES LIMITED

Organization

Patents Grantslast 30 patents

Recovery of zinc from zinc-containing sulphidic material

Filtering media for controlling the flow of sand during oil well op...

Process for producing Sm.sub.2 Co.sub.17 alloy suitable for use as...

Quadrupole mass spectrometers

Production of fine spherical copper powder

Process for the recovery of silver from a residue essentially free...

Recovery of gold from refractory auriferous iron-containing sulphid...

Process for the pressure oxidation acid leaching of non-ferrous met...

Process for separately recovering gold and silver from solution by...

Process for the production of nickel-chromium/chromium carbide coat...

Recovery of gold from refractory auriferous iron-containing sulphid...

Recovery of cobalt and nickel from sulphidic material

Method of making aureate colored coins, medallions and tokens and p...

Recovery of gold from refractory auriferous iron-containing sulphid...

Recovery of gold from refractory auriferous iron-containing sulphid...

Recovery of platinum group metals from nickel-copper-iron matte

Method of protecting a metallic surface susceptible to abrasion by...

Process for separately recovering zinc and lead values from zinc an...

Process for recovering zinc from zinc ferrite material

Recovery of zinc from zinc containing sulphidic material

Recovery of zinc from zinc containing sulphidic materials

Recovery of zinc from zinc-containing sulphidic material

Removal of radium from aqueous sulphate solutions

Recovery of uranium from material containing iron, arsenic and sili...

Removal of uranium from sulphate solutions containing molybdenum

Removal of dissolved cadmium and copper from sulphate solution with...

Process for the production of silver powder from silver chloride, s...

Removal of manganese and chloride ions from aqueous acidic zinc sul...

Process for removing dissolved selenium values from an acidic aqueo...

Removal of selenium from acidic copper/nickel solutions

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73642967 - TUFFPAC

73495065 - SHERRITT

73424505

73332353 - TUFFSTUDDS

73325111 - TUFFSTUDDS

73281713 - N-B-S

72305162 - DS

72235345 - NITRO-PLUS

72176270 - SHERRITT

72071233 - SHERRITT

71681645 - SHERRITT