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Cationic dyes
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Patent number 7,931,696
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Issue date Apr 26, 2011
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BASF SE Ludwigshafen
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Victor Paul Eliu
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dyes containing a thiol group
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Patent number 7,771,490
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Issue date Aug 10, 2010
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Ciba Corporation
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Victor Paul Eliu
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Cationic thiadiazole dyestuffs
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Patent number 5,580,964
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Issue date Dec 3, 1996
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Bayer Aktiengesellschaft
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Horst Berneth
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Preparation of quaternized azo dyes
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Patent number 5,264,560
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Issue date Nov 23, 1993
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BASF Aktiengesellschaft
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Guenter Hansen
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3-Cyano-1,2,4-thiadiazolyl-5-czo dyestuffs
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Patent number 4,101,541
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Issue date Jul 18, 1978
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Ciba-Geigy Corporation
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Jean Claude Petitpierre
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3853841
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Patent number 3,853,841
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Issue date Dec 10, 1974
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3732201
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Patent number 3,732,201
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Issue date May 8, 1973
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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-...