Laurence Wu-Kwang Chang

Person

Orange, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing derivatives of isopropenyl-α, α...
- Patent number 6,630,599
- Issue date Oct 7, 2003
- Cytec Technology Corp.
- Balwant Singh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Self-crosslinking hydroxy/alkoxy acyl imidazolidinone monomers
- Patent number 6,307,058
- Issue date Oct 23, 2001
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethylenically unsaturated imidazidolidinone monomers
- Patent number 6,166,220
- Issue date Dec 26, 2000
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Curable compositions containing novel polyfunctional crosslinking a...
- Patent number 6,150,460
- Issue date Nov 21, 2000
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of coating a substrate using curable compositions containing...
- Patent number 6,136,378
- Issue date Oct 24, 2000
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyfunctional crosslinking agents and curable compositions contain...
- Patent number 6,028,141
- Issue date Feb 22, 2000
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfenamide accelerators and rubber compositions containing the same
- Patent number 5,840,908
- Issue date Nov 24, 1998
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted urea and oxime modified amino crosslinking agents, cura...
- Patent number 5,665,852
- Issue date Sep 9, 1997
- Cytec Technology Corp.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Surface-modified polyacrylonitrile beads
- Patent number 5,418,284
- Issue date May 23, 1995
- Cytec Technology Corp.
- Laurence W. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface-modified polyacrylonitrile fibrous substrates
- Patent number 5,306,782
- Issue date Apr 26, 1994
- American Cyanamid Company
- Laurence W. Chang
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Surface-modified polyacrylonitrile fibrous substrates
- Patent number 5,284,910
- Issue date Feb 8, 1994
- American Cyanamid Company
- Laurence W. Chang
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Surface-modified polyacrylonitrile substrates
- Patent number 5,284,911
- Issue date Feb 8, 1994
- American Cyanamid Company
- Laurence W. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface-modified polyacrylonitrile fibrous substrates
- Patent number 5,270,384
- Issue date Dec 14, 1993
- American Cyanamid Company
- Laurence W. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface-modified polyacrylonitrile beads
- Patent number 5,268,421
- Issue date Dec 7, 1993
- American Cyanamid Company
- Laurence W. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface-modified polyacrylonitrile substrates
- Patent number 5,194,512
- Issue date Mar 16, 1993
- American Cyanamid Company
- Laurence Wu-Kwang Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface-modified polyacrylonitrile fibrous substrates
- Patent number 5,155,174
- Issue date Oct 13, 1992
- American Cyanamid Company
- Laurence W. Chang
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Surface-modified polyacrylonitrile beads
- Patent number 5,137,983
- Issue date Aug 11, 1992
- American Cyanamid Company
- Laurence W. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface-modified polyacrylonitrile substrates
- Patent number 5,082,904
- Issue date Jan 21, 1992
- American Cyanamid Company
- Laurence W. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of primary aralkyl urethanes and ureas and isocyanates...
- Patent number 4,879,410
- Issue date Nov 7, 1989
- American Cyanamid Company
- Balwant Singh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substituted N-hydroxyphthalimides and their use as detergent additives
- Patent number 4,863,636
- Issue date Sep 5, 1989
- American Cyanamid Company
- Laurence W. Chang
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Urethanes from tertiary aralkyl diols
- Patent number 4,570,012
- Issue date Feb 11, 1986
- American Cyanamid Co.
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tertiary aralkyl urethanes and isocyanates derived therefrom
- Patent number 4,439,616
- Issue date Mar 27, 1984
- American Cyanamid Company
- Balwant Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Manufacture of isocyanates
- Patent number 4,379,767
- Issue date Apr 12, 1983
- American Cyanamid Company
- Vazken A. Alexanian
- C07 - ORGANIC CHEMISTRY

Laurence Wu-Kwang Chang

Person

Patents Grantslast 30 patents

Process for preparing derivatives of isopropenyl-&#x03B1;, &#x03B1;...

Self-crosslinking hydroxy/alkoxy acyl imidazolidinone monomers

Ethylenically unsaturated imidazidolidinone monomers

Curable compositions containing novel polyfunctional crosslinking a...

Method of coating a substrate using curable compositions containing...

Polyfunctional crosslinking agents and curable compositions contain...

Sulfenamide accelerators and rubber compositions containing the same

Substituted urea and oxime modified amino crosslinking agents, cura...

Surface-modified polyacrylonitrile beads

Surface-modified polyacrylonitrile fibrous substrates

Surface-modified polyacrylonitrile fibrous substrates

Surface-modified polyacrylonitrile substrates

Surface-modified polyacrylonitrile fibrous substrates

Surface-modified polyacrylonitrile beads

Surface-modified polyacrylonitrile substrates

Surface-modified polyacrylonitrile fibrous substrates

Surface-modified polyacrylonitrile beads

Surface-modified polyacrylonitrile substrates

Preparation of primary aralkyl urethanes and ureas and isocyanates...

Substituted N-hydroxyphthalimides and their use as detergent additives

Urethanes from tertiary aralkyl diols

Tertiary aralkyl urethanes and isocyanates derived therefrom

Manufacture of isocyanates

Process for preparing derivatives of isopropenyl-α, α...