发明名称 |
1:2-Chromecomplex dyestuffs containing dyestuff-mixtures and 1:2-chromecomplex dyestuffs |
摘要 |
1:2-Cr complex dyes (Ia) of formula (I) are new (where R1 = H or NO2; Ka = a carbon; R2 = H, 1-4C alkyl or 1-4C alkoxy; R3 = 1-4C alkoxy, 2-4C hydroxyalkoxy. SO3H, COOH, sulphamoyl or carbamoyl; R3 not = SO3H, 1-4C alkoxy in the 2-position or MeO in the 4-position if R2 = H). Also claimed are dye mixts. contg. (a) 1:2-Cr complex azo dye(s) (I) with a wider range of substituents R2 and R3 and (b) other specified dye(s).
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申请公布号 |
EP0718374(A1) |
申请公布日期 |
1996.06.26 |
申请号 |
EP19950810785 |
申请日期 |
1995.12.12 |
申请人 |
CIBA SPECIALTY CHEMICALS HOLDING INC. |
发明人 |
LEHMANN, URS, DR.;FRICK, MARCEL |
分类号 |
C09B45/26;C09B45/34;C09B67/22;D06P1/10;(IPC1-7):C09B45/26 |
主分类号 |
C09B45/26 |
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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