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Process for producing acrylamide polymer
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Issue date Mar 22, 1994
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Diafloc Co., Ltd.
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Hitoshi Tamura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Water-in-oil emulsion of cationic polymer
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Patent number 5,185,393
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Issue date Feb 9, 1993
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Nitto Chemical Industry Co., Ltd.
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Shoichi Kanda
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Completion and workover fluids
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Patent number 4,661,266
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Issue date Apr 28, 1987
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Nitto Chemical Industry Co., Ltd.
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Shoichi Kanda
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Completion and workover fluids
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Patent number 4,614,601
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Issue date Sep 30, 1986
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Nitto Chemical Industry Co., Ltd.
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Yukihiko Sekimoto
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Drilling fluids
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Patent number 4,605,505
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Issue date Aug 12, 1986
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Nitto Chemical Industry Co., Ltd.
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Makoto Yanagida
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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