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Jorg Leistner
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Dortmund, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing and purifying aqueous phases
Patent number
8,362,299
Issue date
Jan 29, 2013
Evonik Stockhausen GmbH
Axel Hengstermann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-absorbing polymer structures based on renewable raw materials...
Patent number
8,258,249
Issue date
Sep 4, 2012
Evonik Stockhausen GmbH
Günther Bub
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acrylic acid and water-absorbing polymer structures based on renewa...
Patent number
7,939,597
Issue date
May 10, 2011
Evonik Stockhausen GmbH
Günther Bub
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
WATER-ABSORBING POLYMER STRUCTURES BASED ON RENEWABLE RAW MATERIALS...
Publication number
20110144294
Publication date
Jun 16, 2011
Evonik Stockhausen GmbH
Günther Bub
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING AND PURIFYING AQUEOUS PHASES
Publication number
20110046297
Publication date
Feb 24, 2011
Axel Hengstermann
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PURIFICATION OF A DISTILLED BOTTOM PRODUCT CONTAINING (METH)ACRYLIC...
Publication number
20090149562
Publication date
Jun 11, 2009
Stefan Nordhoff
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PRODUCTION OF ACROLEIN, ACRYLIC ACID AND WATER-ABSORBENT POLYMER ST...
Publication number
20090068440
Publication date
Mar 12, 2009
Gunther Bub
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for the Extractive Purification of (Meth) Acrylic Acid by Us...
Publication number
20080119668
Publication date
May 22, 2008
Stefan Nordhoff
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Reactor Comprising a Heat Exchanger Area Comprising an Insert
Publication number
20070274882
Publication date
Nov 29, 2007
Jurgen Mosler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Separating Tray for a Distillation Column
Publication number
20070262022
Publication date
Nov 15, 2007
Jurgen Mosler
C07 - ORGANIC CHEMISTRY