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Xuan T. Nguyen
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Montreal, CA
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last 30 patents
Information
Patent Grant
Oxygen delignification of old corrugated containers
Patent number
5,486,268
Issue date
Jan 23, 1996
Domtar Inc
Xuan T. Nguyen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Oxygen delignification of old corrugated containers
Patent number
5,350,493
Issue date
Sep 27, 1994
Domtar, Inc.
Xuan T. Nguyen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Oxygen delignification of waste cellulosic paper products
Patent number
5,302,244
Issue date
Apr 12, 1994
Domtar Inc
Xuan T. Nguyen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recycling waste cellulosic material with sodium sulphide digestion
Patent number
5,147,503
Issue date
Sep 15, 1992
Domtar Inc
Xuan T. Nguyen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluidized bed sulfur dioxide removal
Patent number
4,495,163
Issue date
Jan 22, 1985
Domtar Inc
Xuan T. Nguyen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluidized bed sulfur dioxide removal
Patent number
4,309,393
Issue date
Jan 5, 1982
Domtar Inc
Xuan T. Nguyen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Turbulent transport contactor and method of operation
Patent number
4,255,168
Issue date
Mar 10, 1981
Domtar Inc
Xuan T. Nguyen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for mercury removal
Patent number
4,160,730
Issue date
Jul 10, 1979
Domtar Inc.
Xuan T. Nguyen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...