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Derek Hornsey
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Roxboro, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Ozone bleaching of low consistency pulp
Patent number
6,793,771
Issue date
Sep 21, 2004
American Air Liquide, Inc.
V. S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the bleaching of low consistency pulp using high partia...
Patent number
6,773,547
Issue date
Aug 10, 2004
American Air Liquide, Inc.
V. S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for ozone bleaching of low consistency pulp
Patent number
6,579,412
Issue date
Jun 17, 2003
L'Air Liquide - Societe' Anonyme a' Directoire et Conseil de Surveillance pou...
V. S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for ozone bleaching of cellulosic pulp at low consistency
Patent number
5,853,536
Issue date
Dec 29, 1998
Canadian Liquid Air Ltd./Air Liquide Canada LTEE
Derek Hornsey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of monitoring and recovering oxygen-rich gas from ozone blea...
Patent number
5,688,367
Issue date
Nov 18, 1997
Canadian Liquid Air/Air Liquide Canada LTEE
Derek Hornsey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Carbon dioxide in neutral and alkaline sizing processes
Patent number
5,378,322
Issue date
Jan 3, 1995
Canadian Liquid Air Ltd.
Derek Hornsey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Hydrometallurgical leaching process and apparatus
Patent number
5,250,273
Issue date
Oct 5, 1993
Canadian Liquid Air Ltd-Air Liquide Canada LTEE
Derek Hornsey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Pipeline reactor and method
Patent number
5,061,377
Issue date
Oct 29, 1991
Canadian Liquid Air Ltd./Air Liquide Canada
Robert G. H. Lee
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for measuring vent gas flow rates and paramete...
Patent number
4,946,555
Issue date
Aug 7, 1990
Canadian Liquid Air Ltd./Air Liquide Canada
Robert G. H. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and device for oil recovery using steam and oxygen-containi...
Patent number
4,860,827
Issue date
Aug 29, 1989
Canadian Liquid Air, Ltd.
Robert Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Non-peripheral blowing of oxygen-containing gas in steam generating...
Patent number
4,823,710
Issue date
Apr 25, 1989
Canadian Liquid Air Ltd.- Air Liquide Canada Ltee.
Guillermo F. Garrido
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Two zone apparatus for biological treatment of waste water
Patent number
4,301,007
Issue date
Nov 17, 1981
Canadian Liquid Air Ltd./Air Liquide Canada Ltee
Guy Savard
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Two zone process for biological treatment of waste water
Patent number
4,284,510
Issue date
Aug 18, 1981
Canadian Liquid Air Ltd./Air Liquide Canada Ltee
Guy Savard
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for biological treatment of waste water
Patent number
4,246,111
Issue date
Jan 20, 1981
Canadian Liquid Air Ltd/Air Liquide Canada LTEE
Guy Savard
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Two zone process for biological treatment of waste water
Patent number
4,192,740
Issue date
Mar 11, 1980
Canadian Liquid Air Ltd., Air Liquide Canada Ltee
Guy Savard
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Ozone bleaching of low consistency pulp
Publication number
20050034825
Publication date
Feb 17, 2005
V.S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Ozone bleaching of low consistency pulp
Publication number
20030213571
Publication date
Nov 20, 2003
V.S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Ozone bleaching of low consistency pulp
Publication number
20030006017
Publication date
Jan 9, 2003
V.S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Ozone bleaching of low consistency pulp using high partial pressure...
Publication number
20020088570
Publication date
Jul 11, 2002
V.S. Meenakshi Sundaram
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE