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Cationic direct dyes
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Patent number 10,494,527
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Issue date Dec 3, 2019
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BASF SE
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Frank Bachmann
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Tricationic dyes
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Patent number 7,794,509
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Issue date Sep 14, 2010
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Ciba Corporation
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Christian Cremer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Pyridyl-azo-indolyl cationic dyes
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Patent number 4,138,396
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Issue date Feb 6, 1979
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Ciba-Geigy Corporation
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Stefan Koller
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Basic diaminopyridine-(3)-azo dyestuffs
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Patent number 4,066,637
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Issue date Jan 3, 1978
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Ciba-Geigy Corporation
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Visvanathan Ramanthan
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3567453
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Patent number 3,567,453
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Issue date Mar 2, 1971
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C07 - ORGANIC CHEMISTRY
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3562245
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Patent number 3,562,245
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Issue date Feb 9, 1971
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3529921
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Patent number 3,529,921
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Issue date Sep 22, 1970
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Patent number 3,151,106
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Issue date Sep 29, 1964
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3117116
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Patent number 3,117,116
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Issue date Jan 7, 1964
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3096338
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Patent number 3,096,338
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Issue date Jul 2, 1963
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent number 2,893,816
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Issue date Jul 7, 1959
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent number 2,864,813
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Issue date Dec 16, 1958
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...