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Shrink film
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Patent number 6,417,307
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Issue date Jul 9, 2002
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Sumitomo Chemical Company, Limited
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Nobuo Oi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for producing styrene base polymer
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Patent number 5,783,646
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Issue date Jul 21, 1998
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Sumitomo Chemical Company, Limited
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Hayato Kihara
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for producing styrenic polymer
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Patent number 5,723,554
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Issue date Mar 3, 1998
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Sumitomo Chemical Company, Limited
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Masayuki Fujita
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Injection-molded articles
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Patent number 5,489,652
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Issue date Feb 6, 1996
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Sumitomo Chemical Company, Ltd.
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Takahiro Ishii
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Processes for producing styrene copolymers
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Patent number 5,459,210
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Issue date Oct 17, 1995
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Sumitomo Chemical Company, Limited
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Hayato Kihara
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...