Fu Chen

Person

Newtown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for controlling scale formation and deposition in aqueous sy...
- Patent number 6,641,754
- Issue date Nov 4, 2003
- BetzDearborn Inc.
- Kristin E. Buentello
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Polymeric fluid loss additives and method of use thereof
- Patent number 6,590,050
- Issue date Jul 8, 2003
- Hercules Incorporated
- Keith A. Bair
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric fluid loss additives and method of use thereof
- Patent number 6,465,587
- Issue date Oct 15, 2002
- Hercules Incorporated
- Keith A. Bair
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Water soluble copolymers
- Patent number 6,444,747
- Issue date Sep 3, 2002
- BetzDearborn Inc.
- Fu Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for making hydrophobically associative polymers, methods of...
- Patent number 6,417,268
- Issue date Jul 9, 2002
- Hercules Incorporated
- Huashi T. Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thiacrown ether compound
- Patent number 6,147,225
- Issue date Nov 14, 2000
- BetzDearborn Inc.
- Janet A. Gaboury
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous dispersion polymers
- Patent number 6,020,422
- Issue date Feb 1, 2000
- BetzDearborn Inc.
- Edward J. Connors
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Copolmer formulations for breaking oil-and-water emulsions
- Patent number 5,921,912
- Issue date Jul 13, 1999
- BetzDearborn Inc.
- Paul R. Hart
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composition and method for water clarification
- Patent number 5,916,991
- Issue date Jun 29, 1999
- BetzDearborn Inc.
- Jen-Chi Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of and composition for breaking oil and water emulsions in c...
- Patent number 5,851,433
- Issue date Dec 22, 1998
- BetzDearborn Inc.
- Paul R. Hart
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Composition and method for water clarification
- Patent number 5,846,436
- Issue date Dec 8, 1998
- BetzDearborn Inc.
- Jen-Chi Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of aqueous dispersion polymers
- Patent number 5,707,533
- Issue date Jan 13, 1998
- BetzDearborn Inc.
- Edward J. Connors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparations of aqueous dispersion polymers
- Patent number 5,696,194
- Issue date Dec 9, 1997
- BetzDearborn Inc.
- Edward J. Connors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of and composition for breaking oil and water emulsions in c...
- Patent number 5,693,216
- Issue date Dec 2, 1997
- BetzDearborn Inc.
- Paul R. Hart
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Composition comprising a tannin-containing copolymer
- Patent number 5,684,109
- Issue date Nov 4, 1997
- BetzDearborn Inc.
- Jen-Chi Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition and method for water clarification
- Patent number 5,643,462
- Issue date Jul 1, 1997
- BetzDearborn Inc.
- Jen-Chi Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of aqueous dispersion polymers
- Patent number 5,614,602
- Issue date Mar 25, 1997
- BetzDearborn Inc.
- Edward J. Connors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of inhibiting scale and controlling corrosion in cooling wat...
- Patent number 5,575,920
- Issue date Nov 19, 1996
- BetzDearborn Inc.
- Donald T. Freese
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for improving retention and drainage characteristics in alka...
- Patent number 5,532,308
- Issue date Jul 2, 1996
- Betz PaperChem, Inc.
- Michael A. Schuster
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nonionic polymers for the treatment of boiler water
- Patent number 5,527,468
- Issue date Jun 18, 1996
- Betz Laboratories, Inc.
- Scott M. Boyette
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Copolymers of ethylenically unsaturated and polyethylene-glycol mon...
- Patent number 5,445,758
- Issue date Aug 29, 1995
- Betz Laboratories, Inc.
- Fu Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for improving retention and drainage characteristics in alka...
- Patent number 5,415,740
- Issue date May 16, 1995
- Betz PaperChem, Inc.
- Michael A. Schuster
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and composition for treatment of aluminum
- Patent number 5,391,238
- Issue date Feb 21, 1995
- Betz Laboratories, Inc.
- David W. Reichgott
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Water soluble graft copolymers for laser print deinking loop clarif...
- Patent number 5,387,318
- Issue date Feb 7, 1995
- Betz Laboratories, Inc.
- Wen P. Liao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble graft copolymers and methods of use thereof
- Patent number 5,374,336
- Issue date Dec 20, 1994
- Betz Laboratories, Inc.
- John T. Lin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of ethylenically unsaturated and polyethylene-glycol mon...
- Patent number 5,350,536
- Issue date Sep 27, 1994
- Betz Laboratories, Inc.
- Fu Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Water soluble graft copolymers and methods of use thereof
- Patent number 5,298,566
- Issue date Mar 29, 1994
- Betz Laboratories, Inc.
- Wen P. Liao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and composition for treatment of aluminum
- Patent number 5,292,379
- Issue date Mar 8, 1994
- Betz Laboratories, Inc.
- David W. Reichgott
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Quaternized polyvinylamine water clarification agents
- Patent number 5,292,441
- Issue date Mar 8, 1994
- Betz Laboratories, Inc.
- Jen-Chi Chen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and composition for treatment of galvanized steel
- Patent number 5,282,905
- Issue date Feb 1, 1994
- Betz Laboratories, Inc.
- David W. Reichgott
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Superplasticizer for concrete and self-leveling compounds
- Publication number 20030144384
- Publication date Jul 31, 2003
- Fu Chen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Method for controlling scale formation and deposition in aqueous sy...
- Publication number 20030052303
- Publication date Mar 20, 2003
- BetzDearborn Inc.
- Kristin E. Buentello
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Person

Patents Grantslast 30 patents

Method for controlling scale formation and deposition in aqueous sy...

Polymeric fluid loss additives and method of use thereof

Polymeric fluid loss additives and method of use thereof

Water soluble copolymers

Method for making hydrophobically associative polymers, methods of...

Thiacrown ether compound

Aqueous dispersion polymers

Copolmer formulations for breaking oil-and-water emulsions

Composition and method for water clarification

Method of and composition for breaking oil and water emulsions in c...

Composition and method for water clarification

Process for the preparation of aqueous dispersion polymers

Process for the preparations of aqueous dispersion polymers

Method of and composition for breaking oil and water emulsions in c...

Composition comprising a tannin-containing copolymer

Composition and method for water clarification

Process for the preparation of aqueous dispersion polymers

Method of inhibiting scale and controlling corrosion in cooling wat...

Method for improving retention and drainage characteristics in alka...

Nonionic polymers for the treatment of boiler water

Copolymers of ethylenically unsaturated and polyethylene-glycol mon...

Method for improving retention and drainage characteristics in alka...

Method and composition for treatment of aluminum

Water soluble graft copolymers for laser print deinking loop clarif...

Water soluble graft copolymers and methods of use thereof

Copolymers of ethylenically unsaturated and polyethylene-glycol mon...

Water soluble graft copolymers and methods of use thereof

Method and composition for treatment of aluminum

Quaternized polyvinylamine water clarification agents

Method and composition for treatment of galvanized steel

Patents Applicationslast 30 patents

Superplasticizer for concrete and self-leveling compounds

Method for controlling scale formation and deposition in aqueous sy...