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Polyol and rigid polyurethane foam
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Patent number 5,246,978
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Issue date Sep 21, 1993
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Mitsui Toatsu Chemicals, Inc.
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Satoshi Ozaki
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyol and utilization thereof
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Patent number 5,198,475
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Issue date Mar 30, 1993
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Mitsui Toatsu Chemicals, Inc.
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Masayuki Kimura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyurethane resin and utilization thereof
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Patent number 5,107,068
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Issue date Apr 21, 1992
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Mitsui Toatsu Chemicals, Inc.
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Satoshi Ozaki
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...