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Guy T. Woodrum
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Chesapeake, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Superabsorbents having superior permeability and conveying properties
Patent number
8,017,549
Issue date
Sep 13, 2011
BASF SE
Norbert Herfert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Color-stable superabsorbent polymer composition
Patent number
7,504,551
Issue date
Mar 17, 2009
BASF Aktiengesellschaft
Norbert Herfert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Superabsorbent polymers and method of manufacturing the same
Patent number
7,329,701
Issue date
Feb 12, 2008
BASF Aktiengesellschaft
Norbert Herfert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinked, hydrophilic, highly swellable hydrogels, production th...
Patent number
6,297,335
Issue date
Oct 2, 2001
BASF Aktiengesellschaft
Rüdiger Funk
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Superabsorbent polymers and products therefrom
Patent number
5,597,873
Issue date
Jan 28, 1997
Hoechst Celanese Corporation
Douglas R. Chambers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the conversion of fine superabsorbent polymer particles...
Patent number
5,350,799
Issue date
Sep 27, 1994
Hoechst Celanese Corporation
Guy T. Woodrum
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pellets of clay and superabsorbent polymer
Patent number
4,914,066
Issue date
Apr 3, 1990
Hoechst Celanese Corporation
Guy T. Woodrum
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Superabsorbents Having Superior Permeability and Conveying Properties
Publication number
20100093949
Publication date
Apr 15, 2010
BASF SE
Norbert Herfert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Superabsorbent Polymer Particles Having a Reduced Amount of Fine-Si...
Publication number
20080045916
Publication date
Feb 21, 2008
BASF AKTIENGESELLSCHAFT a German Corporation
Norbert Herfert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method of drying an absorbent polymer with a surfactant
Publication number
20070123624
Publication date
May 31, 2007
Jay G. Otten
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Color-stable superabsorbent polymer composition
Publication number
20060089611
Publication date
Apr 27, 2006
Norbert Herfert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Superabsorbent polymers and method of manufacturing the same
Publication number
20050245393
Publication date
Nov 3, 2005
Norbert Herfert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Superabsorbent polymers and method of manufacturing the same
Publication number
20050239942
Publication date
Oct 27, 2005
BASF Aktiengesellschaft
Norbert Herfert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...