发明授权
US5104979A Polyazo dyes with diazo components of the aminophenol and the amino diphenyl-sulfide, -sulfoxide or -sulfone series 失效
含有氨基苯酚和氨基二苯基硫醚,硅氧烷或磺化物系列的DIAZO组分的聚氧乙烯染料

Polyazo dyes with diazo components of the aminophenol and the amino
diphenyl-sulfide, -sulfoxide or -sulfone series
摘要:
Polyazo dyes useful for dyeing leather in the free form or as copper, chromium, iron, cobalt or nickel complexes have the formula ##STR1## where m is 0, 1 or 2, n is 0 or 1, p is from 1 to 2, q is from 0 to 1, and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, X, Y and the ring A are each as defined, and may be prepared from aniline derivatives of the formula ##STR2## where m is 0, 1, or 2, n is 0 or 1, and X, R.sup.1, R.sub.2 and R.sup.3 are each as defined.
公开/授权文献
信息查询
0/0