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2. 发明授权

US06428582B1 Dye mixtures, 1:2 cobalt complex formazan dyes and their use 失效
标题翻译：染料混合物，1：2钴络合物甲an染料及其用途
公开(公告)号：US06428582B1
公开(公告)日：2002-08-06
申请号：US08592898
申请日：1996-01-29
申请人： Urs Lehmann , Marcel Frick
发明人： Urs Lehmann , Marcel Frick
IPC分类号： C09B5000
CPC分类号： C09B50/00 , C09B67/0033 , C09B67/0041
摘要： Dye mixtures which comprise at least one 1:2 cobalt complex dye of the formazan compound of the formula in which X is substituted or unsubstituted C1-C8alkyl, phenyl, naphthyl, furyl or thienyl, R1 and R2 independently of one another are hydrogen or substituted or unsubstituted C1-C8alkyl, phenyl or naphthyl, m is a number from 1 to 4 and the rings I, II, III and IV may be further substituted, together with at least one anthraquinone dye of the formula (2) as defined in claim 1, or together with at least one 1:2 chromium or 1:2 cobalt complex dye of two identical or different azo compounds from the group comprising the compounds of the formulae (3), (4), (5) and (6) as defined in claim 1; and novel 1:2 cobalt complex formazan dyes. The dye mixtures are particularly suitable for dyeing or printing natural and synthetic polyamide fiber materials, dyeings or prints having good fastnesses being obtained.
摘要翻译： X为取代或未取代的C 1 -C 8烷基，苯基，萘基，呋喃基或噻吩基，R 1和R 2彼此独立地为甲基的甲an化合物的至少一种1：2钴络合物染料的染料混合物为氢或取代或未取代的 C 1 -C 8烷基，苯基或萘基，m是1至4的数，并且环I，II，III和IV可以与至少一种如权利要求1所定义的式（2）的蒽醌染料一起进一步取代，或以及来自包含式（3），（4），（5）和（6）的化合物的两种相同或不同的偶氮化合物的至少一种1：2铬或1:2钴络合物染料，如权利要求1;和新颖的1：2钴络合物甲an染料。染料混合物特别适用于染色或印刷天然和合成聚酰胺纤维材料，获得具有良好牢度的染色或印花。

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