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Isao Satoh
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Yokohama-shi, JP
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last 30 patents
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Patent Grant
Ethylenimine polymer, aqueous solution of ethylenimine polymer, pro...
Patent number
6,451,961
Issue date
Sep 17, 2002
Nippon Shokubai Co Ltd
Seiichi Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production process for ethylenimine polymer aqueous solution
Patent number
6,444,769
Issue date
Sep 3, 2002
Nippon Shokubai Co Ltd
Seiichi Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Production process for ethylenimine polymer aqueous solution
Publication number
20010039318
Publication date
Nov 8, 2001
NIPPON SHOKUBAI CO., LTD.
Seiichi Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Ethylenimine polymer, aqueous solution of ethylenimine polymer, pro...
Publication number
20010014730
Publication date
Aug 16, 2001
NIPPON SHOKUBAI CO., LTD.
Seiichi Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...