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Tsutomu Nakagawa
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Water-absorbent polymer and process for producing the same
Patent number
7,683,150
Issue date
Mar 23, 2010
ASAHI KASEI CHEMICALS CORPORATION
Naonori Higashimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Water-absorbent polymer and process for producing the same
Publication number
20080027180
Publication date
Jan 31, 2008
ASAHI KASEI CHEMICALS CORPORATION
Naonori Higashimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...