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ERCO INDUSTRIES LIMITED
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ISLINGTON, ONTARIO, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Acid recovery in clorine dioxide generation
Patent number
4,678,655
Issue date
Jul 7, 1987
Erco Industries Limited
Zbigniew Twardowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Small scale generation of chlorine dioxide for water treatment
Patent number
4,534,952
Issue date
Aug 13, 1985
Erco Industries Limited
W. Howard Rapson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of red phosphorus
Patent number
4,526,766
Issue date
Jul 2, 1985
Erco Industries Limited
Kevin P. Ryan
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Stabilization of red phosphorus
Patent number
4,489,183
Issue date
Dec 18, 1984
Erco Industries Limited
Helena Twardowska
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
High efficiency chlorine dioxide process
Patent number
4,473,540
Issue date
Sep 25, 1984
Erco Industries Limited
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chlorine dioxide process
Patent number
4,465,658
Issue date
Aug 14, 1984
Erco Industries Limited
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Bleaching procedure using chlorine dioxide and chlorine solutions
Patent number
4,421,598
Issue date
Dec 20, 1983
Erco Industries Limited
Douglas W. Reeve
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Stabilization of red phosphorus
Patent number
4,421,728
Issue date
Dec 20, 1983
Erco Industries Limited
Helena Twardowska
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chlorate cell system
Patent number
4,414,088
Issue date
Nov 8, 1983
Erco Industries Limited
Joseph B. Ford
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Production of chlorine dioxide on a small scale
Patent number
4,414,193
Issue date
Nov 8, 1983
Erco Industries Limited
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Bleaching procedure using chlorine dioxide and chlorine solutions
Patent number
4,409,066
Issue date
Oct 11, 1983
Erco Industries Limited
Douglas W. Reeve
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method of bleaching pulp with an aqueous solution of chlorine dioxi...
Patent number
4,406,736
Issue date
Sep 27, 1983
Erco Industries Limited
Douglas W. Reeve
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Chlorine dioxide production using mixed hydrochloric and sulfuric a...
Patent number
4,393,035
Issue date
Jul 12, 1983
Erco Industries Limited
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of mixed sulfuric and hydrochloric acid feed and chlorin...
Patent number
4,393,036
Issue date
Jul 12, 1983
Erco Industries Limited
Maurice C. J. Fredette
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Small scale chlorine dioxide plant
Patent number
4,366,120
Issue date
Dec 28, 1982
Erco Industries Limited
Gerald Cowley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chlorine dioxide generator
Patent number
4,336,228
Issue date
Jun 22, 1982
Erco Industries Limited
Gerald Cowley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of chlorine dioxide with conversion of by-product solid...
Patent number
4,325,934
Issue date
Apr 20, 1982
Erco Industries Limited
Richard Swindells
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Bleaching procedure using chlorine dioxide and chlorine solutions
Patent number
4,325,783
Issue date
Apr 20, 1982
Erco Industries Limited
Douglas W. Reeve
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method of bleaching pulp with an aqueous solution of chlorine dioxi...
Patent number
4,299,653
Issue date
Nov 10, 1981
Erco Industries Limited
Douglas W. Reeve
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Modular chlorine dioxide generation systems
Patent number
4,292,275
Issue date
Sep 29, 1981
Erco Industries Limited
James H. Forster
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Washing apparatus in chlorine dioxide production
Patent number
4,290,998
Issue date
Sep 22, 1981
Erco Industries Limited
Peter D. Dick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Production of sodium polyphosphates
Patent number
4,276,273
Issue date
Jun 30, 1981
Erco Industries Limited
James D. McGilvery
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chlorine dioxide generator
Patent number
4,276,262
Issue date
Jun 30, 1981
Erco Industries Limited
Gerald Cowley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Efficiency control system for chlorine dioxide plants
Patent number
4,251,503
Issue date
Feb 17, 1981
Erco Industries Limited
Richard Swindells
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Control system for chlorine dioxide plants
Patent number
4,251,224
Issue date
Feb 17, 1981
Erco Industries Limited
Gerald Cowley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Modular chlorine dioxide generation systems
Patent number
4,251,502
Issue date
Feb 17, 1981
Erco Industries Limited
James H. Forster
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Small scale chlorine dioxide plant
Patent number
4,250,159
Issue date
Feb 10, 1981
Erco Industries Limited
Gerald Cowley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Modified phosphorus furnace operation
Patent number
4,203,957
Issue date
May 20, 1980
Erco Industries Limited
James S. Medves
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chlorine dioxide generation process
Patent number
4,203,961
Issue date
May 20, 1980
Erco Industries Limited
Gerald Cowley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing chlorate and chlorate cell construction
Patent number
4,194,953
Issue date
Mar 25, 1980
Erco Industries Limited
David G. Hatherly
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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
Information
Trademark
73327413 - BLEACHING
Serial number
73327413
Filing date
Sep 10, 1981
ERCO INDUSTRIES LIMITED
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73233073 - R3
Serial number
73233073
Registration number
1173915
Filing date
Sep 28, 1979
Erco Industries Limited
7 - Machines and machine tools
Information
Trademark
73226507 - ERCO
Serial number
73226507
Registration number
1158681
Filing date
Aug 7, 1979
ERCO INDUSTRIES LIMITED
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73226508 - ERCO
Serial number
73226508
Registration number
1158682
Filing date
Aug 7, 1979
ERCO INDUSTRIES LIMITED
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry