Donald W. Simroth

Person

Charleston, WV, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polyol polymer dispersions
- Patent number 6,143,802
- Issue date Nov 7, 2000
- Bayer Antwerp N.V.
- Donald W. Simroth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilizer based on high molecular weight polyols having low monol...
- Patent number 6,013,731
- Issue date Jan 11, 2000
- Arco Chemical Technology L.P.
- Ulrich B. Holeschovsky
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polymer polyol dispersions
- Patent number 5,955,534
- Issue date Sep 21, 1999
- ARCO Chemical Technology, L.P.
- Donald W. Simroth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of polyol polymer dispersions
- Patent number 5,688,861
- Issue date Nov 18, 1997
- ARCO Chemical Technology, L.P.
- Donald W. Simroth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Low viscosity polymer polyols with improved dispersion stability
- Patent number 5,496,894
- Issue date Mar 5, 1996
- ARCO Chemical Technology, L.P.
- Frank E. Critchfield
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Semi-batch process for producing polymer polyols
- Patent number 5,488,085
- Issue date Jan 30, 1996
- ARCO Chemical Technology, L.P.
- John E. Hayes
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low viscosity polymer polyols with improved dispersion stability
- Patent number 5,364,906
- Issue date Nov 15, 1994
- ARCO Chemical Technology, L.P.
- Frank E. Critchfield
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer/polyol and preformed stabilizer systems
- Patent number 5,268,418
- Issue date Dec 7, 1993
- Arco Chemical Technology, L.P.
- Donald W. Simroth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer/polyol and preformed stabilizer systems
- Patent number 5,196,476
- Issue date Mar 23, 1993
- Arco Chemical Technology, L.P.
- Donald W. Simroth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilizers for polymer/polyols
- Patent number 4,997,857
- Issue date Mar 5, 1991
- ARCO Chemical Technology, Inc.
- John F. Timberlake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer/polyol compositions having improved combustion resistance
- Patent number RE32733
- Issue date Aug 16, 1988
- Union Carbide Corporation
- Donald W. Simroth
- 521 - Synthetic resins or natural rubbers
Information Patent Grant
Polymer/polyols having improved combustion resistance and intrinsic...
- Patent number 4,652,589
- Issue date Mar 24, 1987
- Union Carbide Corporation
- Donald W. Simroth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer/polyol compositions having improved combustion resistance
- Patent number 4,463,107
- Issue date Jul 31, 1984
- Union Carbide Corporation
- Donald W. Simroth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethanes made with polymer/polyols prepared via preformed stab...
- Patent number 4,350,780
- Issue date Sep 21, 1982
- Union Carbide Corporation
- Russell Van Cleve
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer/polyols via non-aqueous dispersion stabilizers
- Patent number 4,242,249
- Issue date Dec 30, 1980
- Union Carbide Corporation
- Russell Van Cleve
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer/polyols and process for production thereof
- Patent number 4,172,825
- Issue date Oct 30, 1979
- Union Carbide Corporation
- Edgar G. Shook
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid polymer/polyols and polyurethane elastomers based thereon
- Patent number 4,104,236
- Issue date Aug 1, 1978
- Union Carbide Corporation
- Donald W. Simroth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Donald W. Simroth

Person

Patents Grantslast 30 patents

Process for the preparation of polyol polymer dispersions

Stabilizer based on high molecular weight polyols having low monol...

Process for the preparation of polymer polyol dispersions

Process for the preparation of polyol polymer dispersions

Low viscosity polymer polyols with improved dispersion stability

Semi-batch process for producing polymer polyols

Low viscosity polymer polyols with improved dispersion stability

Polymer/polyol and preformed stabilizer systems

Polymer/polyol and preformed stabilizer systems

Stabilizers for polymer/polyols

Polymer/polyol compositions having improved combustion resistance

Polymer/polyols having improved combustion resistance and intrinsic...

Polymer/polyol compositions having improved combustion resistance

Polyurethanes made with polymer/polyols prepared via preformed stab...

Polymer/polyols via non-aqueous dispersion stabilizers

Polymer/polyols and process for production thereof

Liquid polymer/polyols and polyurethane elastomers based thereon