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Retention improving composition
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Patent number 7,776,181
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Issue date Aug 17, 2010
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Toagosei Co., Ltd.
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Yoshio Mori
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3462283
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Patent number 3,462,283
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Issue date Aug 19, 1969
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3135739
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Patent number 3,135,739
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Issue date Jun 2, 1964
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2858305
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Patent number 2,858,305
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Issue date Oct 28, 1958
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2801241
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Patent number 2,801,241
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Issue date Jul 30, 1957
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2147241
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Patent number 2,147,241
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Issue date Feb 14, 1939
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C07 - ORGANIC CHEMISTRY
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1350820
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Patent number 1,350,820
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Issue date Aug 24, 1920
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...