Mark W. Witman

Person

Naperville, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Article molded from a polycarbonate composition having improved pla...
- Patent number 5,087,524
- Issue date Feb 11, 1992
- Mobay Corporation
- Sivaram Krishnan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate molding compositions
- Patent number 4,828,921
- Issue date May 9, 1989
- Mobay Corporation
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame retardant polycarbonate compositions
- Patent number 4,753,994
- Issue date Jun 28, 1988
- Mobay Corporation
- Russell P. Carter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame retardant polyethylene terephthalate compositions
- Patent number 4,732,922
- Issue date Mar 22, 1988
- Mobay Corporation
- George R. Kriek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polydiorganosiloxane/polycarbonate block copolymers
- Patent number 4,732,949
- Issue date Mar 22, 1988
- Bayer Aktiengesellschaft
- Winfried Paul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate blends having low gloss
- Patent number 4,677,162
- Issue date Jun 30, 1987
- Mobay Corporation
- Ulrich R. Grigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of flame-resistant polycarbonate mouldi...
- Patent number 4,649,168
- Issue date Mar 10, 1987
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Moulding compositions comprising an aromatic polycarbonate and a su...
- Patent number 4,603,170
- Issue date Jul 29, 1986
- Bayer Aktiengesellschaft
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
UV-stabilized polycarbonate mouldings
- Patent number 4,600,632
- Issue date Jul 15, 1986
- Bayer Aktiengesellschaft
- Winfried Paul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic, aromatic polyesters having good mechanical strength,...
- Patent number 4,599,395
- Issue date Jul 8, 1986
- Bayer Aktiengesellschaft
- Hans-Rudolf Dicke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate compositions having improved impact performance
- Patent number 4,563,503
- Issue date Jan 7, 1986
- Mobay Chemical Corporation
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic molding compositions
- Patent number 4,554,314
- Issue date Nov 19, 1985
- Mobay Chemical Corporation
- James Y. J. Chung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of copolycarbonates of sulfonyl diphenol
- Patent number 4,535,143
- Issue date Aug 13, 1985
- Mobay Chemical Corporation
- Ronald L. Price
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate compositions having a high impact strength and melt f...
- Patent number 4,515,921
- Issue date May 7, 1985
- Mobay Chemical Corporation
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate ABS blends of improved impact strength
- Patent number 4,472,554
- Issue date Sep 18, 1984
- Mobay Chemical Corporation
- Ulrich R. Grigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolycarbonates based on bis(4-hydroxyphenyl)biphenyl disulfone
- Patent number 4,425,456
- Issue date Jan 10, 1984
- Mobay Chemical Corporation
- Arthur L. Baron
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate having an improved impact performance
- Patent number 4,410,662
- Issue date Oct 18, 1983
- Mobay Chemical Corporation
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Impact modified polycarbonates
- Patent number 4,378,449
- Issue date Mar 29, 1983
- Mobay Chemical Corporation
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Impact modified polycarbonates
- Patent number 4,299,928
- Issue date Nov 10, 1981
- Mobay Chemical Corporation
- Mark W. Witman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Mark W. Witman

Person

Patents Grantslast 30 patents

Article molded from a polycarbonate composition having improved pla...

Polycarbonate molding compositions

Flame retardant polycarbonate compositions

Flame retardant polyethylene terephthalate compositions

Polydiorganosiloxane/polycarbonate block copolymers

Polycarbonate blends having low gloss

Process for the preparation of flame-resistant polycarbonate mouldi...

Moulding compositions comprising an aromatic polycarbonate and a su...

UV-stabilized polycarbonate mouldings

Thermotropic, aromatic polyesters having good mechanical strength,...

Polycarbonate compositions having improved impact performance

Thermoplastic molding compositions

Process for the preparation of copolycarbonates of sulfonyl diphenol

Polycarbonate compositions having a high impact strength and melt f...

Polycarbonate ABS blends of improved impact strength

Copolycarbonates based on bis(4-hydroxyphenyl)biphenyl disulfone

Polycarbonate having an improved impact performance

Impact modified polycarbonates

Impact modified polycarbonates