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Porous film
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Patent number 5,405,887
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Issue date Apr 11, 1995
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Mitsui Toatsu Chemicals, Inc.
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Kenji Morita
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Breathable, hydrolyzable porous film
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Patent number 5,340,646
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Issue date Aug 23, 1994
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Mitsui Toatsu Chemicals, Inc.
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Kenji Morita
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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High polymer network
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Patent number 5,223,546
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Issue date Jun 29, 1993
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Mitsui Toatsu Chemicals, Inc.
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Kenji Morita
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL