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Iwakuni, JP
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last 30 patents
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Patent Grant
Ultrathin film, process for production thereof, and use thereof for...
Patent number
4,493,714
Issue date
Jan 15, 1985
Teijin Limited
Fumio Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Permselective membrane
Patent number
4,265,745
Issue date
May 5, 1981
Teijin Limited
Takeyuki Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...