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Crude oil recovery additive
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Patent number 10,562,984
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Issue date Feb 18, 2020
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Dai-Ichi Kogyo Seiyaku Co., Ltd.
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Yousuke Goi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Additive for drilling mud
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Patent number 9,803,128
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Issue date Oct 31, 2017
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Dai-Ichi Kogyo Seiyaku Co., Ltd.
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Yousuke Goi
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Process for preparing stable aqueous gel
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Patent number 4,582,452
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Issue date Apr 15, 1986
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Dai-Ichi Kogyo Seiyaku Co., Ltd.
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Mineo Sabi
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...