Ta-Wang Lai

Person

Novato, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a...
- Patent number 5,300,566
- Issue date Apr 5, 1994
- Air Products and Chemicals, Inc.
- Robert K. Pinschmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Two-phase process for preparing poly(vinyl alcohol)-co-poly(vinylam...
- Patent number 5,194,492
- Issue date Mar 16, 1993
- Air Products and Chemicals, Inc.
- Robert K. Pinschmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vinyl alcohol copolymers containing allylamine functionality
- Patent number 5,155,167
- Issue date Oct 13, 1992
- Air Products and Chemicals, Inc.
- Robert K. Pinschmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Manufacture of high molecular weight poly(vinylamines)
- Patent number 4,952,656
- Issue date Aug 28, 1990
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine)
- Patent number 4,943,676
- Issue date Jul 24, 1990
- Air Products and Chemicals, Inc.
- Robert K. Pinschmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified poly(vinyl alcohol) containing morpholinoalkylether groups
- Patent number 4,931,501
- Issue date Jun 5, 1990
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Enhanced oil recovery with high molecular weight polyvinylamine for...
- Patent number 4,931,194
- Issue date Jun 5, 1990
- Robert K. Pinschmidt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as wa...
- Patent number 4,921,621
- Issue date May 1, 1990
- Air Products and Chemicals, Inc.
- Christine A. Costello
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Acidized fracturing fluids containing high molecular weight poly(vi...
- Patent number 4,843,118
- Issue date Jun 27, 1989
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Completion fluids containing high molecular weight poly(vinylamines)
- Patent number 4,828,725
- Issue date May 9, 1989
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Drilling mud compositions containing high molecular weight poly (vi...
- Patent number 4,804,793
- Issue date Feb 14, 1989
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions containing high molecular weight poly(vinylamines) for...
- Patent number 4,798,871
- Issue date Jan 17, 1989
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cement composition for oil well drilling holes containing high mole...
- Patent number 4,795,770
- Issue date Jan 3, 1989
- Air Products and Chemicals, Inc.
- Ta-Wang Lai
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Ta-Wang Lai

Person

Patents Grantslast 30 patents

Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a...

Two-phase process for preparing poly(vinyl alcohol)-co-poly(vinylam...

Vinyl alcohol copolymers containing allylamine functionality

Manufacture of high molecular weight poly(vinylamines)

Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine)

Modified poly(vinyl alcohol) containing morpholinoalkylether groups

Enhanced oil recovery with high molecular weight polyvinylamine for...

Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as wa...

Acidized fracturing fluids containing high molecular weight poly(vi...

Completion fluids containing high molecular weight poly(vinylamines)

Drilling mud compositions containing high molecular weight poly (vi...

Compositions containing high molecular weight poly(vinylamines) for...

Cement composition for oil well drilling holes containing high mole...