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Rubber composition
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Patent number 5,106,913
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Issue date Apr 21, 1992
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Sumitomo Chemical Company, Limited
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Tetsuo Yamaguchi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Stabilizer for synthetic resins
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Patent number 4,725,634
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Issue date Feb 16, 1988
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Sumitomo Chemical Company, Ltd.
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Tamaki Ishii
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Low viscous p-phenylene diamine stabilizers
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Patent number 4,360,621
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Issue date Nov 23, 1982
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Sumitomo Chemical Company, Limited
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Osamu Kimura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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