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Process for producing chloroprene rubber
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Patent number 5,625,018
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Issue date Apr 29, 1997
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Tosoh Corporation
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Yoshitaka Tsutsumi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Positive resist patterns
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Patent number 4,983,495
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Issue date Jan 8, 1991
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Tosoh Corporation
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Yoshitaka Tsutsumi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Halogen-containing polyacrylate derivatives
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Patent number 4,752,635
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Issue date Jun 21, 1988
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Toyo Soda Manufacturing Co., Ltd.
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Yoshitaka Tsutsumi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...