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Lubricating oil
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Patent number 5,250,205
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Issue date Oct 5, 1993
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Nippon Oil and Fats Co., Ltd.
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Shin-ichi Akimoto
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Additives for cement
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Patent number 4,946,904
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Issue date Aug 7, 1990
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Nippon Oil and Fats Co., Ltd.
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Shin-ichi Akimoto
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Synthetic resin compatibilizer
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Patent number 4,946,918
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Issue date Aug 7, 1990
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Nippon Oil and Fats Co., Ltd.
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Saburo Akiyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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