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Kenya Matsuda
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Himeji-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Process for production of water-absorbing resin
Patent number
8,084,544
Issue date
Dec 27, 2011
Sumitomo Seika Chemicals Co., Ltd.
Shinya Fukudome
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for production of water-absorbing resin particles
Patent number
7,713,623
Issue date
May 11, 2010
Sumitomo Seika Chemicals Co., Ltd.
Kenya Matsuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Process For Production Of Water-Absorbing Resin
Publication number
20090118432
Publication date
May 7, 2009
Shinya Fukudome
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process For Producing Water-Absorbing Resin
Publication number
20070197749
Publication date
Aug 23, 2007
SUMITOMO SEIKA CHEMICALS CO., LTD.
Kenya Matsuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for production of water-absorbing resin particles
Publication number
20060194055
Publication date
Aug 31, 2006
Kenya Matsuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...