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Andrzej M. Piotrowski
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Peekskill, NY, US
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last 30 patents
Information
Patent Grant
Removal of catalyst residues from polyketone compositions
Patent number
5,723,574
Issue date
Mar 3, 1998
Akzo Nobel N.V.
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolymer of carbon monoxide and ethylene containing ketal structures
Patent number
5,565,546
Issue date
Oct 15, 1996
Akzo Nobel N.V.
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization of carbon monoxide and ethylene using catalyst conta...
Patent number
5,523,385
Issue date
Jun 4, 1996
Akzo Nobel N.V.
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization of carbon monoxide and ethylene using catalyst conta...
Patent number
5,506,338
Issue date
Apr 9, 1996
Akzo Nobel N.V.
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization of carbon monoxide and ethylene using catalyst conta...
Patent number
5,494,998
Issue date
Feb 27, 1996
Akzo Nobel N.V.
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for forming a bromomagnesium tetrakis (fluorophenyl) borate
Patent number
5,473,036
Issue date
Dec 5, 1995
Akzo Nobel N.V.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilized carbon monoxide-olefin copolymers
Patent number
5,371,127
Issue date
Dec 6, 1994
Akzo Nobel N.V.
Andrzej M. Piotrowski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolymer of carbon monoxide and propylene produced in water/ketone...
Patent number
5,270,441
Issue date
Dec 14, 1993
Akzo nv
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Removal of catalyst residue from polyketone solution with silica ge...
Patent number
5,231,164
Issue date
Jul 27, 1993
Akzo nv
Andrzej M. Piotrowski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for making polyketone fibers
Patent number
5,194,210
Issue date
Mar 16, 1993
Akzo nv
Bert J. Lommerts
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Plasticization of polyvinyl chloride with carbon monoxide-propylene...
Patent number
5,109,047
Issue date
Apr 28, 1992
Akzo nv
Alan M. Aaronson
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process of making halide/alkoxy-containing magnesium complex
Patent number
5,108,972
Issue date
Apr 28, 1992
Akzo nv
Bor-Ping E. Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst and catalytic process for preparation of polyketones
Patent number
5,102,843
Issue date
Apr 7, 1992
Akzo nv
Paul K. Hanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrocarbon soluble copper alkoxide compositions
Patent number
5,059,703
Issue date
Oct 22, 1991
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Olefin polymerization catalyst
Patent number
5,034,549
Issue date
Jul 23, 1991
Akzo nv
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerization catalyst system
Patent number
4,945,076
Issue date
Jul 31, 1990
Akzo America Inc.
Andrzej M. Piotrowski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrocarbon-soluble complexes of magnesium alkoxides with magnesium...
Patent number
4,904,788
Issue date
Feb 27, 1990
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrocarbon-soluble complexes of magnesium alkoxides with magnesium...
Patent number
4,885,406
Issue date
Dec 5, 1989
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organoaluminum coupling agents and filled polymer compositions thereof
Patent number
4,876,318
Issue date
Oct 24, 1989
Texas Alkyls, Inc.
Dennis B. Malpass
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Deactivation of reactive organometallic contaminated equipment
Patent number
4,875,941
Issue date
Oct 24, 1989
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of olefins from ketones or aldehydes using bis(alkylchlor...
Patent number
4,849,574
Issue date
Jul 18, 1989
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrocarbon soluble copper alkoxide compositions
Patent number
4,847,239
Issue date
Jul 11, 1989
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of olefins from ketones using a bis(substituted alumino)...
Patent number
4,788,368
Issue date
Nov 29, 1988
Texas Alkyls Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of olefins from ketones using bis(alkylchloroalumino)methane
Patent number
4,788,367
Issue date
Nov 29, 1988
Texas Alkyls Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of bis(dichloroalumino)methane
Patent number
4,785,125
Issue date
Nov 15, 1988
Texas Alkyls, Inc.
Andrzej M. Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluoroalkoxyaluminum compounds and their use in polymerization proc...
Patent number
4,774,214
Issue date
Sep 27, 1988
Texas Alkyls, Inc.
Dennis B. Malpass
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluoroalkoxyaluminum compounds and their use in polymerization proc...
Patent number
4,732,993
Issue date
Mar 22, 1988
Stauffer Chemical Company
Dennis B. Malpass
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel titanium-containing reagents for methylenation and analogous...
Patent number
4,720,562
Issue date
Jan 19, 1988
Stauffer Chemical Company
Dennis B. Malpass
C07 - ORGANIC CHEMISTRY