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Asphalt emulsion composition
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Patent number 6,840,991
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Issue date Jan 11, 2005
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Kao Corporation
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Yuichi Honma
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Stabilizer for asphalt emulsion
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Patent number 6,786,961
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Issue date Sep 7, 2004
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Kao Corporation
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Yuichi Honma
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Asphalt emulsion
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Patent number 5,928,418
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Issue date Jul 27, 1999
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Kao Corporation
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Ryoichi Tamaki
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Asphalt additive and asphalt composition
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Patent number 5,721,296
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Issue date Feb 24, 1998
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Kao Corporation
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Tatsuya Mizunuma
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...