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Bill Chiang
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Charlotte, NC, 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
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 preparing crosslinked water absorbent resins
Patent number
5,478,894
Issue date
Dec 26, 1995
Hoechst Celanese Corporation
William G. Chiang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Process for Producing Surface Postcrosslinked Water-Absorbing Polym...
Publication number
20160144341
Publication date
May 26, 2016
BASF SE
Patrick Hamilton
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PRODUCING SURFACE POSTCROSSLINKED WATER-ABSORBING POLYM...
Publication number
20130299739
Publication date
Nov 14, 2013
Joseph Grill
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for Producing Surface Postcrosslinked Water-Absorbing Polym...
Publication number
20130270479
Publication date
Oct 17, 2013
BASF SE
Patrick Hamilton
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Polyamine Coated Superabsorbent Polymers Having Transient Hydrophob...
Publication number
20100010461
Publication date
Jan 14, 2010
BASF SE
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-...