Wen-Hsuan Chang

Person

Gibsonia, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for treating cellulosic materials with stable aqueous dispe...
- Patent number 5,413,867
- Issue date May 9, 1995
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stable aqueous dispersions containing siloxanes for treating cellul...
- Patent number 5,354,832
- Issue date Oct 11, 1994
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silanes carrying water-solubilizing and hydrophobic moieties
- Patent number 5,354,881
- Issue date Oct 11, 1994
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous compositions based on acid-functional acrylic silanol polymers
- Patent number 5,162,420
- Issue date Nov 10, 1992
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amide-amine silane resin
- Patent number 5,135,992
- Issue date Aug 4, 1992
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vinyl polymer latex systems
- Patent number 5,118,752
- Issue date Jun 2, 1992
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyamine-functional silane resin
- Patent number 4,988,778
- Issue date Jan 29, 1991
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bilayer windshield with an abrasion and solvent resistant polyureth...
- Patent number 4,923,757
- Issue date May 8, 1990
- PPG Industries, Inc.
- James B. O'Dwyer
- B32 - LAYERED PRODUCTS
Information Patent Grant
Bilayer windshield with an abrasion and solvent resistant polyureth...
- Patent number 4,824,926
- Issue date Apr 25, 1989
- PPG Industries, Inc.
- James B. O'Dwyer
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method of preparing acrylic polymers containing hydrolyzable moieti...
- Patent number 4,808,663
- Issue date Feb 28, 1989
- PPG Industries, Inc.
- Wen H. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substrates coated with nonaqueous compositions comprising acrylic p...
- Patent number 4,788,107
- Issue date Nov 29, 1988
- PPG Industries, Inc.
- Wen H. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Silicon-containing polyols
- Patent number 4,732,929
- Issue date Mar 22, 1988
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acrylic polymers containing hydrolyzable moieties from organosilane...
- Patent number 4,714,738
- Issue date Dec 22, 1987
- PPG Industries, Inc.
- Wen H. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified piperidines as ultraviolet light stabilizers
- Patent number 4,696,959
- Issue date Sep 29, 1987
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions based on silane hydrolyzates and vinyl polymers contai...
- Patent number 4,684,697
- Issue date Aug 4, 1987
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating composition containing an ungelled reaction product as a cu...
- Patent number 4,678,835
- Issue date Jul 7, 1987
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of low molecular weight polymers by vinyl addition poly...
- Patent number 4,652,605
- Issue date Mar 24, 1987
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Curable coating vehicle based upon aminoalkyloxy silanes and organi...
- Patent number 4,628,076
- Issue date Dec 9, 1986
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ungelled resins containing hydrolyzable moieties from organosilane...
- Patent number 4,623,697
- Issue date Nov 18, 1986
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Urethane resins containing hydrolyzable moieties from organosilane...
- Patent number 4,622,369
- Issue date Nov 11, 1986
- PPG Industries, Inc.
- Wen H. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gelable blends of organosilicon-containing materials and hydrophobi...
- Patent number 4,613,451
- Issue date Sep 23, 1986
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High solids lactone-polyester polyols and coating compositions thereof
- Patent number 4,605,724
- Issue date Aug 12, 1986
- PPG Industries, Inc.
- Ronald R. Ambrose
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Partial hydrolyzates containing hydrolyzable moieties from organosi...
- Patent number 4,604,443
- Issue date Aug 5, 1986
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Non-aqueous poly(urethane-urea)
- Patent number 4,590,254
- Issue date May 20, 1986
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amide-containing polyhydroxyethyl carbamates
- Patent number 4,588,783
- Issue date May 13, 1986
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric microparticles
- Patent number 4,569,966
- Issue date Feb 11, 1986
- PPG Industries, Inc.
- Robert M. Piccirilli
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting high solids solvent-based polyester-urethane coating...
- Patent number 4,548,998
- Issue date Oct 22, 1985
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High solids polyurethane polyols and coating compositions thereof
- Patent number 4,543,405
- Issue date Sep 24, 1985
- PPG Industries, Inc.
- Ronald R. Ambrose
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting high solids solvent-based polyester-urethane one-comp...
- Patent number 4,540,766
- Issue date Sep 10, 1985
- PPG Industries, Inc.
- Wen-Hsuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High solids polyester polyols and resinous polyols thereof
- Patent number 4,540,771
- Issue date Sep 10, 1985
- PPG Industries, Inc.
- Ronald R. Ambrose
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Wen-Hsuan Chang

Person

Patents Grantslast 30 patents

Process for treating cellulosic materials with stable aqueous dispe...

Stable aqueous dispersions containing siloxanes for treating cellul...

Silanes carrying water-solubilizing and hydrophobic moieties

Aqueous compositions based on acid-functional acrylic silanol polymers

Amide-amine silane resin

Vinyl polymer latex systems

Polyamine-functional silane resin

Bilayer windshield with an abrasion and solvent resistant polyureth...

Bilayer windshield with an abrasion and solvent resistant polyureth...

Method of preparing acrylic polymers containing hydrolyzable moieti...

Substrates coated with nonaqueous compositions comprising acrylic p...

Silicon-containing polyols

Acrylic polymers containing hydrolyzable moieties from organosilane...

Modified piperidines as ultraviolet light stabilizers

Compositions based on silane hydrolyzates and vinyl polymers contai...

Coating composition containing an ungelled reaction product as a cu...

Preparation of low molecular weight polymers by vinyl addition poly...

Curable coating vehicle based upon aminoalkyloxy silanes and organi...

Ungelled resins containing hydrolyzable moieties from organosilane...

Urethane resins containing hydrolyzable moieties from organosilane...

Gelable blends of organosilicon-containing materials and hydrophobi...

High solids lactone-polyester polyols and coating compositions thereof

Partial hydrolyzates containing hydrolyzable moieties from organosi...

Non-aqueous poly(urethane-urea)

Amide-containing polyhydroxyethyl carbamates

Polymeric microparticles

Thermosetting high solids solvent-based polyester-urethane coating...

High solids polyurethane polyols and coating compositions thereof

Thermosetting high solids solvent-based polyester-urethane one-comp...

High solids polyester polyols and resinous polyols thereof