Water soluble azo dyes containing a cyanoamino-triazinyl-amino group and a fiber-reactive of the sulfone series
Patent 5349057 Issued on September 20, 1994. Estimated Expiration Date: 
January 10, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 10, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3758470 Water-soluble dyestuffs containing fibre-reactive groups of the vinylsulfone series and the fluoro-s-triazinyl-amino series Water-soluble azo compounds, having a fibre-reactive triazenylamino group Patent #: 5200512 InventorsApplicationNo. 772375 filed on 01/10/1992US Classes:534/637, Plural azo groups attached indirectly to each other by nonionic bonding534/622, The hetero ring is six-membered and contains at least two nitrogens534/624, At least two such hetero rings attached indirectly to each other by nonionic bonding534/625, Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding534/628, Diverse hetero ring containing534/629, Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamide, which sulfonyl or sulfonamide is between a ring and the alkylene, alkenyl or alkenylene534/634, At least two such hetero rings attached indirectly to each other by nonionic bonding534/635, Additional hetero ring containing534/636, Pyrazole containing (including hydrogenated)534/638, The hetero ring and benzene ring, to which an azo group is bonded directly, bonded directly to the same nitrogen534/641, Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene534/642The alkylene, alkenyl or alkenylene and the ring are both bonded directly to the same sulfonyl groupExaminersPrimary: Ramsuer, Robert W.Assistant: Powers, Fiona T. Foreign Patent References
International ClassesC09B 062/08D06P 001/38 Foreign Application Priority Data1989-05-10 DEAbstractWater-soluble azo dyes and their heavy metal complex derivatives, such as copper, cobalt and chromium complex azo dyes are described, which have the general formula (1) shown below, have fiber-reactive properties and dye natural and synthetic hydroxyl- and/or carboxamido-containing materials, in particular fiber materials, such as wool and in particular cellulose fiber materials, by the dyeing and printing processes customary for fiber-reactive dyes, in hues which have high color strength and good fastness properties. ##STR1##Field of SearchThe hetero ring is six-membered and contains at least two nitrogensAt least two such hetero rings attached indirectly to each other by nonionic bonding Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding Diverse hetero ring containing Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamide, which sulfonyl or sulfonamide is between a ring and the alkylene, alkenyl or alkenylene At least two such hetero rings attached indirectly to each other by nonionic bonding Additional hetero ring containing Pyrazole containing (including hydrogenated) Plural azo groups attached indirectly to each other by nonionic bonding The hetero ring and benzene ring, to which an azo group is bonded directly, bonded directly to the same nitrogen Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene The alkylene, alkenyl or alkenylene and the ring are both bonded directly to the same sulfonyl group |
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