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Kao Corporation
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Exxon Chemical Patent Inc.
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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3644220
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3508867
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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C01 - INORGANIC CHEMISTRY
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