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ISLINGTON, ONTARIO, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Sparger system for discharge of bulk material from hopper cars
Patent number
5,222,512
Issue date
Jun 29, 1993
Tenneco Canada Inc.
Colin R. McGregor
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Electrochemical processing of aqueous solutions
Patent number
5,198,080
Issue date
Mar 30, 1993
Tenneco Canada Inc.
Gerald Cowley
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Chlorine dioxide generation from chloric acid
Patent number
5,174,868
Issue date
Dec 29, 1992
Tenneco Canada Inc.
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrochemical processing of aqueous solutions
Patent number
5,122,240
Issue date
Jun 16, 1992
Tenneco Canada Inc.
Gerald Cowley
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Metathesis of acidic by-product of chlorine dioxide generating process
Patent number
5,116,595
Issue date
May 26, 1992
Tenneco Canada Inc.
Herbert C. Scribner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Sparger system for discharge of bulk material from hopper cars
Patent number
5,110,366
Issue date
May 5, 1992
Tenneco Canada Inc.
Colin R. McGregor
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Production of chlorine dioxide
Patent number
5,066,477
Issue date
Nov 19, 1991
Tenneco Canada Inc.
Michael S. Zell
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Sparger system for discharge of bulk material from hopper cars
Patent number
5,013,530
Issue date
May 7, 1991
Tenneco Canada Inc.
Colin R. McGregor
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Sparger system for discharge of bulk material from hopper cars
Patent number
5,002,615
Issue date
Mar 26, 1991
Tenneco Canada Inc.
Colin R. McGregor
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Preparation of phosphorous acid
Patent number
4,980,142
Issue date
Dec 25, 1990
Tenneco Canada Inc.
James D. McGilvery
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of chlorine dioxide
Patent number
4,931,268
Issue date
Jun 5, 1990
Tenneco Canada Inc.
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of chloric acid
Patent number
4,915,927
Issue date
Apr 10, 1990
Tenneco Canada Inc.
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Production of chlorine dioxide in an electrolytic cell
Patent number
4,853,096
Issue date
Aug 1, 1989
Tenneco Canada Inc.
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrical removal of chromium from chlorate solutions
Patent number
4,834,848
Issue date
May 30, 1989
Tenneco Canada Inc.
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Combined process for production of chlorine dioxide and sodium hydr...
Patent number
4,806,215
Issue date
Feb 21, 1989
Tenneco Canada Inc.
Zbigniew Twardowski
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrosynthesis of persulfate
Patent number
4,802,959
Issue date
Feb 7, 1989
Tenneco Canada Inc.
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Acid introduction in chlorine dioxide production
Patent number
4,780,304
Issue date
Oct 25, 1988
Tenneco Canada Inc.
Edward J. Bechberger
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of hexavalent chromium for use in chlorate cells
Patent number
4,773,974
Issue date
Sep 27, 1988
Tenneco Canada Inc.
Leszek M. Dobosz
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrochemical removal of hypochlorites from chlorate cell liquors
Patent number
4,773,975
Issue date
Sep 27, 1988
Tenneco Canada Inc.
Marek Lipsztajn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrolytic protection of chlorine dioxide
Patent number
4,767,510
Issue date
Aug 30, 1988
Tenneco Canada Inc.
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Removal of phosphorus from mud
Patent number
4,762,697
Issue date
Aug 9, 1988
Tenneco Canada Inc.
Michael A. Nield
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Steel making flux
Patent number
4,738,719
Issue date
Apr 19, 1988
Tenneco Canada Inc. (ERCO division)
Alexander McLean
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Selective removal of chlorine from solutions of chlorine dioxide an...
Patent number
4,731,169
Issue date
Mar 15, 1988
Tenneco Canada Inc.
Marek Lipsztajn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the oxidative delignification of demethylated chemical...
Patent number
4,729,817
Issue date
Mar 8, 1988
Tenneco Canada Inc. (ERCO division)
Raymond C. Francis
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Removal of chromium from cell liquor
Patent number
4,704,259
Issue date
Nov 3, 1987
Tenneco Canada Inc.
Marek Lipsztajn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrochemical removal of chromium from chlorate solutions
Patent number
4,699,701
Issue date
Oct 13, 1987
Tenneco Canada Inc. (ERCO division)
Marek Lipsztajn
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Removal of arsenic from acids
Patent number
4,692,228
Issue date
Sep 8, 1987
Tenneco Canada Inc. (ERCO division)
Zbigniew Twardowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Membrane pervaporation process
Patent number
4,683,039
Issue date
Jul 28, 1987
Tenneco Canada Inc. (ERCO division)
Zbigniew Twardowski
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Production of chlorine dioxide
Patent number
4,627,969
Issue date
Dec 9, 1986
Tenneco Canada Inc.
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74194313 - R10
Serial number
74194313
Registration number
1917074
Filing date
Aug 13, 1991
TENNECO CANADA, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
74101534 - R9
Serial number
74101534
Filing date
Sep 28, 1990
TENNECO CANADA INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
74101535 - QUIK FLOW
Serial number
74101535
Filing date
Sep 28, 1990
TENNECO CANADA INC.
7 - Machines and machine tools
Information
Trademark
73799319 - ALRAP
Serial number
73799319
Registration number
1712855
Filing date
May 11, 1989
TENNECO CANADA INC.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73713180 - NEUTROS
Serial number
73713180
Registration number
1567734
Filing date
Feb 24, 1988
TENNECO CANADA INC.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73713179 - NEUTRAPAC
Serial number
73713179
Filing date
Feb 24, 1988
TENNECO CANADA INC.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73544970 - ERCOCIDE
Serial number
73544970
Registration number
1385716
Filing date
Jun 25, 1985
TENNECO CANADA, INC. (ALBRIGHT & WILSONAMERICAS DIVISION)
5 - Pharmaceutical and veterinary preparations
Information
Trademark
73544837 - R3H
Serial number
73544837
Registration number
1410146
Filing date
Jun 24, 1985
TENNECO CANADA INC.
7 - Machines and machine tools
Information
Trademark
73535037 - R8
Serial number
73535037
Registration number
1440439
Filing date
Apr 30, 1985
TENNECO CANADA INC. (ERCO DIVISION)
7 - Machines and machine tools
Information
Trademark
73535035 - R6
Serial number
73535035
Registration number
1440437
Filing date
Apr 30, 1985
TENNECO CANADA INC.
7 - Machines and machine tools
Information
Trademark
73535036 - R7
Serial number
73535036
Registration number
1440438
Filing date
Apr 30, 1985
TENNECO CANADA INC.
7 - Machines and machine tools
Information
Trademark
73535059 - R5
Serial number
73535059
Registration number
1440440
Filing date
Apr 30, 1985
TENNECO CANADA INC. (ERCO DIVISION)
7 - Machines and machine tools
Information
Trademark
73462635 - ERCO
Serial number
73462635
Registration number
1495571
Filing date
Jan 26, 1984
Erco Industries Limited
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73462636 - ERCO
Serial number
73462636
Registration number
1460453
Filing date
Jan 26, 1984
Erco Industries Limited
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry