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Dirk Broell
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Langen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing N-alkyl(meth)acrylamides
Patent number
10,138,202
Issue date
Nov 27, 2018
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and system for purifying monomers
Patent number
9,221,738
Issue date
Dec 29, 2015
Evonik Rohm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing methacrylic acid
Patent number
8,791,296
Issue date
Jul 29, 2014
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for continuously producing alkylamino(meth)acrylamides
Patent number
8,674,133
Issue date
Mar 18, 2014
Evonik Rohm GmbH
Bardo Schmitt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying polymerizable compounds
Patent number
8,337,671
Issue date
Dec 25, 2012
Evonik Rohm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the continuous production of unsaturated carboxylic acid...
Patent number
8,084,640
Issue date
Dec 27, 2011
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the continuous production of unsaturated carboxylic acid...
Patent number
7,714,165
Issue date
May 11, 2010
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing polymerisable polyhydroxy compounds
Patent number
7,342,054
Issue date
Mar 11, 2008
Roehm GmbH & Co KG
Dirk Broell
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PREPARING N-ALKYL(METH)ACRYLAMIDES
Publication number
20140288330
Publication date
Sep 25, 2014
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING METHACRYLIC ACID
Publication number
20140051886
Publication date
Feb 20, 2014
EVONIK RÖHM GMBH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD AND SYSTEM FOR PURIFYING MONOMERS
Publication number
20120000764
Publication date
Jan 5, 2012
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR CONTINUOUSLY PRODUCING ALKYLAMINO(METH)ACRYLAMIDES
Publication number
20110313195
Publication date
Dec 22, 2011
Bardo Schmitt
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOSITION STABILIZED FOR PURIFICATION AND METHOD FOR PURIFYING AN...
Publication number
20110306783
Publication date
Dec 15, 2011
Evonik Roehm GmbH
Dirk Broell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
IMPROVED METHOD FOR THE PRODUCTION OF UNSATURATED CARBOXYLIC ACID A...
Publication number
20100069666
Publication date
Mar 18, 2010
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID...
Publication number
20090264673
Publication date
Oct 22, 2009
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS
Publication number
20090166176
Publication date
Jul 2, 2009
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID...
Publication number
20090118533
Publication date
May 7, 2009
Evonik Roehm GmbH
Dirk Broell
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing polymerisable polyhydroxy compounds
Publication number
20060258830
Publication date
Nov 16, 2006
ROEHM GBMH & CO. KG
Dirk Broell
C07 - ORGANIC CHEMISTRY