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Stabilized polyurethane compositions
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Patent number 4,721,744
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Issue date Jan 26, 1988
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Sumitomo Chemical Company, Limited
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Tamaki Ishii
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyolefin resin composition
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Patent number 4,719,257
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Issue date Jan 12, 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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Stabilized polyacetal resin compositions
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Patent number 4,717,745
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Issue date Jan 5, 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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Stabilizer for synthetic resins
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Patent number 4,576,734
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Issue date Mar 18, 1986
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Sumitomo Chemical Company, Limited
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Tamaki Ishii
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...