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Process for producing polyimide resin
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Issue date Sep 14, 2004
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Kaneka Corporation
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Takeshi Kikuchi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Diamine and acid anhydride
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Patent number 6,689,899
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Issue date Feb 10, 2004
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Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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Kohji Okada
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Acid anhydrides
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Patent number 6,642,393
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Issue date Nov 4, 2003
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Kaneka Corporation
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Koji Okada
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyimide compositions
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Patent number 6,303,742
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Issue date Oct 16, 2001
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Kanekafuchi Kagaku Kogyo Kabushiki Kaisha
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Kohji Okada
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C07 - ORGANIC CHEMISTRY
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Polyimide film and its manufacturing method
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Patent number 4,808,468
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Issue date Feb 28, 1989
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Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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Hitoshi Nojiri
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Polyimide film and process for producing same
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Patent number 4,742,099
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Issue date May 3, 1988
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Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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Hirosaku Nagano
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...