发明名称 |
Compositions and aqueous solutions of reactive azo dyes. |
摘要 |
<p>A high strength aqueous solution comprising a first and second dye each of which, in the free acid form, is of Formula (1): <CHEM> wherein: R<1> is NH2 or alkyl; W is H, alkyl or alkoxy; X is a labile atom or group; A is <CHEM> Y is H or alkyl; Z is an optionally substituted phenyl group; and n has a value of 1 to 3; provided that (i) the groups defined by A in the first and second dye are different to one another; and (ii) the solution contains less than 5% by weight of inorganic compounds. Also claimed are compositions and dyes of Formula (1).</p> |
申请公布号 |
EP0559331(A1) |
申请公布日期 |
1993.09.08 |
申请号 |
EP19930300859 |
申请日期 |
1993.02.05 |
申请人 |
ZENECA LIMITED |
发明人 |
LAMBLE, BRIAN;LAVERY, AIDAN;TAYLOR, JOHN ANTHONY |
分类号 |
C09B62/085;C09B67/22;C09B67/26;D06P3/66 |
主分类号 |
C09B62/085 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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