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Peter J. Arndt
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Jugenheim-Seeheim, DE
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last 30 patents
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Patent Grant
Method of obtaining water-free 2-trimethylammoniumethyl methacrylat...
Patent number
5,849,946
Issue date
Dec 15, 1998
Roehm GmbH Chemische Fabrik
Peter-Joseph Arndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of terminally nitrogen heterocycle subst...
Patent number
5,567,826
Issue date
Oct 22, 1996
Roehm GmbH Chemische Fabrik
Joachim Knebel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for making a spray dried emulsion polymer
Patent number
5,017,631
Issue date
May 21, 1991
Rohm GmbH
Hubert Rauch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for spray drying polymer emulsions and solutions
Patent number
4,892,932
Issue date
Jan 9, 1990
Rohm GmbH
Hubert Rauch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer powders of low fines content and method for making the same...
Patent number
4,892,910
Issue date
Jan 9, 1990
Rohm GmbH
Wolfgang Klesse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymethyl methacrylate molding compounds
Patent number
4,877,853
Issue date
Oct 31, 1989
Rohm GmbH
Werner Siol
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Data storage disk
Patent number
4,777,632
Issue date
Oct 11, 1988
Rohm GmbH
Franz Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of preparing esters of acrylic acid and methacrylic acid by...
Patent number
4,745,213
Issue date
May 17, 1988
Rohm GmbH Chemische Fabrik
Fritz Schlosser
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acrylic resins of low hygroscopicity
Patent number
4,709,000
Issue date
Nov 24, 1987
Rohm GmbH
Franz Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing esters of acrylic acid and methacrylic acid by...
Patent number
4,672,105
Issue date
Jun 9, 1987
Rohm GmbH Chemische Fabrik
Fritz Schlosser
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Storage disk made of para-methyl styrene
Patent number
4,636,458
Issue date
Jan 13, 1987
Rohm GmbH
Franz Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for isolating vinyl salt compounds from aqueous solutions
Patent number
4,614,827
Issue date
Sep 30, 1986
Rohm GmbH
Peter J. Arndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Impact resistant resins and method for making the same
Patent number
4,543,383
Issue date
Sep 24, 1985
Rohm GmbH
Ernst Heil
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making impact resistant molding compositions
Patent number
4,521,567
Issue date
Jun 4, 1985
Rohm GmbH
Peter J. Arndt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for purifying methacrylamidopropyl trimethylammonium chlorid...
Patent number
4,517,380
Issue date
May 14, 1985
Rohm GmbH
Peter J. Arndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Emulsion polymers for modifying impact strength
Patent number
4,513,118
Issue date
Apr 23, 1985
Rohm GmbH
Norbert Suetterlin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making block-resistant soft polymer beads
Patent number
4,463,032
Issue date
Jul 31, 1984
Rohm GmbH
Peter J. Arndt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making esters
Patent number
4,418,204
Issue date
Nov 29, 1983
Rohm GmbH
Peter J. Arndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the polymerization of water soluble monomers
Patent number
4,361,687
Issue date
Nov 30, 1982
Rohm GmbH
Peter J. Arndt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of making polymerizable liquid mixtures
Patent number
4,239,876
Issue date
Dec 16, 1980
Rohm GmbH
Peter J. Arndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for making N-substituted acrylamides and methacrylamides
Patent number
4,206,143
Issue date
Jun 3, 1980
Rohm GmbH
Franz Wenzel
C07 - ORGANIC CHEMISTRY