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Frank E. Critchfield
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S. Charleston, WV, US
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Patents Grants
last 30 patents
Information
Patent Grant
Energy management polyurethane rigid foams with high recovery
Patent number
6,127,443
Issue date
Oct 3, 2000
Bayer Antwerp N.V.
Mark J. Perry
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for manufacturing foam with improved wet set properties
Patent number
5,718,856
Issue date
Feb 17, 1998
ARCO Chemical Technology, L.P.
Mark R. Kinkelaar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
One-shot cold molded flexible polyurethane foam from low primary hy...
Patent number
5,668,191
Issue date
Sep 16, 1997
ARCO Chemical Technology, L.P.
Mark R. Kinkelaar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for manufacturing foam with improved wet set properties
Patent number
5,549,841
Issue date
Aug 27, 1996
ARCO Chemical Technology, L.P.
Mark R. Kinkelaar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Flexible polyurethane foams using chlorinated alkanes
Patent number
5,395,860
Issue date
Mar 7, 1995
ARCO Chemical Technology, L.P.
Siusun K. Leung
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
Reactive feed stream to replace inert blowing agent feed stream in...
Patent number
5,084,486
Issue date
Jan 28, 1992
Union Carbide Chemicals & Plastics Technology Corporation
William Patten
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing flexible polyurethane foam using hexahydro-s-...
Patent number
4,902,723
Issue date
Feb 20, 1990
Union Carbide Chemicals and Plastics Company Inc.
Otis M. Baker
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the manufacture of low density, flexible polyurethane f...
Patent number
4,883,825
Issue date
Nov 28, 1989
Union Carbide Chemicals and Plastics Company Inc.
Paul M. Westfall
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing flexible polyurethane foam using hexahydro-S-...
Patent number
4,814,359
Issue date
Mar 21, 1989
Union Carbide Corporation
Otis M. Baker
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Silicone-based stabilizers useful in the preparation of improved po...
Patent number
4,797,501
Issue date
Jan 10, 1989
Union Carbide Corporation
Richard C. Myerly
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
Polyurethane elastomers prepared from polyol or polymer/polyol-chai...
Patent number
4,312,973
Issue date
Jan 26, 1982
Union Carbide Corporation
Frank E. Critchfield
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer/polyisocyanates
Patent number
4,283,500
Issue date
Aug 11, 1981
Union Carbide Corporation
George H. Armstrong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mixtures of extenders and polyols or polymer/polyols useful in poly...
Patent number
4,226,756
Issue date
Oct 7, 1980
Union Carbide Corporation
Frank E. Critchfield
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic polyether polyurethane elastomers
Patent number
4,190,711
Issue date
Feb 26, 1980
Union Carbide Corporation
Richard J. Zdrahala
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer/polyols from high ethylene oxide content polyols
Patent number
4,125,505
Issue date
Nov 14, 1978
Union Carbide Corporation
Frank E. Critchfield
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phenolic foam modified with phosphorus-containing isocyanate-termin...
Patent number
4,119,584
Issue date
Oct 10, 1978
Union Carbide Corporation
Anthony Joseph Papa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing particulate polyurethane polymers and the pol...
Patent number
4,000,218
Issue date
Dec 28, 1976
Union Carbide Corporation
Frank Edward Critchfield
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...