Duy T. Nguyen

Person

Jacksonville, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods of preventing scaling involving inorganic compositions, and...
- Patent number 6,365,101
- Issue date Apr 2, 2002
- Hercules Incoporated
- Duy T. Nguyen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods of preventing scaling involving inorganic compositions, and...
- Patent number 6,355,214
- Issue date Mar 12, 2002
- Hercules Incorporated
- Mitzi K. Fader
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods of preventing scaling involving inorganic compositions in c...
- Patent number 6,333,005
- Issue date Dec 25, 2001
- Hercules Incorporated
- Duy Nguyen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Compositions and method for inhibiting organic contaminant depositi...
- Patent number 6,143,800
- Issue date Nov 7, 2000
- Hercules Incorporated
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compositions and methods for inhibiting the deposition of organic c...
- Patent number 5,952,394
- Issue date Sep 14, 1999
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for inhibiting organic contaminant deposition in pulp and p...
- Patent number 5,885,419
- Issue date Mar 23, 1999
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compositions and Methods for inhibiting the deposition of organic c...
- Patent number 5,866,618
- Issue date Feb 2, 1999
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deposition control in pulp and papermaking systems using a composit...
- Patent number 5,779,858
- Issue date Jul 14, 1998
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for inhibiting organic contaminant deposition in pulp and p...
- Patent number 5,762,757
- Issue date Jun 9, 1998
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for inhibiting organic contaminant deposition in pulp and p...
- Patent number 5,746,888
- Issue date May 5, 1998
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for inhibiting deposition in pulp and papermaking systems us...
- Patent number 5,723,021
- Issue date Mar 3, 1998
- BetzDearborn Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polybutene-based foam control composition for aqueous systems
- Patent number 5,562,862
- Issue date Oct 8, 1996
- Betz Laboratories, Inc.
- Charles J. Berzansky
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for inhibiting the deposition of organic contaminants in pu...
- Patent number 5,536,363
- Issue date Jul 16, 1996
- Betz PaperChem, Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Antifoam composition for aqueous systems
- Patent number 5,460,698
- Issue date Oct 24, 1995
- Betz Laboratories, Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of foam control composition in aqueous systems
- Patent number 5,425,899
- Issue date Jun 20, 1995
- Betz PaperChem, Inc.
- Duy T. Nguyen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Foam control compositions
- Patent number 5,320,777
- Issue date Jun 14, 1994
- Betz PaperChem, Inc.
- Duy T. Nguyen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Antifoam/defoamer composition and method of use thereof in aqueous...
- Patent number 5,283,002
- Issue date Feb 1, 1994
- Betz PaperChem, Inc.
- Duy T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polybutene based foam control compositions for aqueous systems
- Patent number 5,229,033
- Issue date Jul 20, 1993
- Betz PaperChem, Inc.
- Duy T. Nguyen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of preventing scaling involving inorganic compositions, and...
- Publication number 20020094299
- Publication date Jul 18, 2002
- HERCULES INCORPORATED
- Duy T. Nguyen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods of preventing scaling involving inorganic compositions, and...
- Publication number 20020071783
- Publication date Jun 13, 2002
- HERCULES INCORPORATED
- Mitzi K. Fader
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Duy T. Nguyen

Person

Patents Grantslast 30 patents

Methods of preventing scaling involving inorganic compositions, and...

Methods of preventing scaling involving inorganic compositions, and...

Methods of preventing scaling involving inorganic compositions in c...

Compositions and method for inhibiting organic contaminant depositi...

Compositions and methods for inhibiting the deposition of organic c...

Methods for inhibiting organic contaminant deposition in pulp and p...

Compositions and Methods for inhibiting the deposition of organic c...

Deposition control in pulp and papermaking systems using a composit...

Methods for inhibiting organic contaminant deposition in pulp and p...

Methods for inhibiting organic contaminant deposition in pulp and p...

Method for inhibiting deposition in pulp and papermaking systems us...

Polybutene-based foam control composition for aqueous systems

Methods for inhibiting the deposition of organic contaminants in pu...

Antifoam composition for aqueous systems

Use of foam control composition in aqueous systems

Foam control compositions

Antifoam/defoamer composition and method of use thereof in aqueous...

Polybutene based foam control compositions for aqueous systems

Patents Applicationslast 30 patents

Method of preventing scaling involving inorganic compositions, and...

Methods of preventing scaling involving inorganic compositions, and...