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Robert J. Kumpf
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Pittsburgh, PA, US
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last 30 patents
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Patent Grant
Heat-curable compositions based on cyclic isocyanate addition repro...
Patent number
5,726,273
Issue date
Mar 10, 1998
Bayer Corporation
Douglas A. Wicks
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for modifying the backbone of polymeric resins
Patent number
5,693,722
Issue date
Dec 2, 1997
Bayer Corporation
Duane B. Priddy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heat-curable compositions based on cyclic isocyanate addition products
Patent number
5,663,274
Issue date
Sep 2, 1997
Bayer Corporation
Sze-Ming Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for modifying the backbone of polymeric resins
Patent number
5,637,655
Issue date
Jun 10, 1997
Bayer Corporation
Duane B. Priddy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compatibilized thermoplastic molding composition
Patent number
5,623,019
Issue date
Apr 22, 1997
Bayer Corporation
Jeffrey S. Wiggins
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Poly(arylether)/liquid crystalline polyester block copolymers and a...
Patent number
5,618,889
Issue date
Apr 8, 1997
Bayer Corporation
Robert J. Kumpf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic composition containing polyurethane and polypropylene
Patent number
5,605,961
Issue date
Feb 25, 1997
Bayer Corporation
Bin Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for modifying the backbone of polymeric resins
Patent number
5,605,979
Issue date
Feb 25, 1997
Bayer Corporation
Duane B. Priddy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolycarbonate having improved low-temperature impact strength
Patent number
5,414,054
Issue date
May 9, 1995
Miles Inc.
Erik H. Jonsson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gamma-radiation-resistant polycarbonate composition
Patent number
5,399,658
Issue date
Mar 21, 1995
Miles Inc.
Rick L. Archey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for making an ester containing polyether sulfone
Patent number
5,342,905
Issue date
Aug 30, 1994
Miles Inc.
Robert J. Kumpf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic polyethers containing ester groups
Patent number
5,221,727
Issue date
Jun 22, 1993
Bayer Aktiengesellschaft
Robert Kumpf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyether/polycarbonate block copolymers and a process for their pr...
Patent number
5,169,907
Issue date
Dec 8, 1992
Miles Inc.
Robert J. Kumpf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic polyethers containing azo groups
Patent number
5,064,929
Issue date
Nov 12, 1991
Mobay Corporation
Robert J. Kumpf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...