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Rubber-modified styrene-based copolymer
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Patent number 5,180,780
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Issue date Jan 19, 1993
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Idemitsu Petrochemical Company Limited
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Shinichi Nakamura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Thermoplastic resin composition
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Patent number 4,957,964
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Issue date Sep 18, 1990
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Idemitsu Petrochemical Co., Ltd.
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Ryozo Okumura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for production of polycarbonate
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Patent number 4,918,155
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Issue date Apr 17, 1990
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Idemitsu Petrochemical Co., Ltd.
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Takashi Komatsu
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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