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Krefeld, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for gentle mixing and coating of superabsorbers
Patent number
8,349,913
Issue date
Jan 8, 2013
Evonik Stockhausen GmbH
Jörg Harren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Pulverulent polymers crosslinked on the surface
Patent number
7,507,475
Issue date
Mar 24, 2009
Evonik Stockhausen GmbH
Waldemar Inger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pulverulent polymers crosslinked on the surface
Patent number
7,157,141
Issue date
Jan 2, 2007
Stockhausen GmbH
Waldemar Inger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pulverulent polymers crosslinked on the surface
Patent number
6,863,978
Issue date
Mar 8, 2005
Stockhausen GmbH & Co. KG
Waldemar Inger
Information
Patent Grant
Aqueous polymer dispersion, process for preparing the same and its...
Patent number
6,133,372
Issue date
Oct 17, 2000
Stockhausen GmbH & Co. KG
Helmut Lohmann
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Process for waterproofing materials having a fibrous structure and...
Patent number
5,686,011
Issue date
Nov 11, 1997
Chemische Fabrik Stockhausen GmbH
Helmut Lohmann
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Agents and a process for waterproofing leathers and furs
Patent number
5,658,484
Issue date
Aug 19, 1997
Chemische Fabrik Stockhausen GmbH
Helmut Lohmann
C14 - SKINS HIDES PELTS LEATHER
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR GENTLE MIXING AND COATING OF SUPERABSORBERS
Publication number
20100130950
Publication date
May 27, 2010
Jörg Harren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Pulverulent polymers crosslinked on the surface
Publication number
20050020780
Publication date
Jan 27, 2005
Waldemar Inger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Pulverulent polymers crosslinked on the surface
Publication number
20040071966
Publication date
Apr 15, 2004
Waldemar Inger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...