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Toshiharu Takizawa
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Sodegaura, JP
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last 30 patents
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Patent Grant
Process for producing polycyanoaryl ether powder
Patent number
5,239,107
Issue date
Aug 24, 1993
Idemitsu Kosan Co., Ltd.
Jitsuo Shinoda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...