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Method for producing acetylated pyroxylin
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Patent number 6,417,345
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Issue date Jul 9, 2002
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Daicel Chemical Industries, Ltd.
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Tokuji Tanaka
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for producing cellulose acetate
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Patent number 4,439,605
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Issue date Mar 27, 1984
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Daicel Chemical Industries, Ltd.
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Hideo Yabune
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Cellulose ester resin composition
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Patent number 4,209,340
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Issue date Jun 24, 1980
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Daicel Ltd.
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Hideo Yabune
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...