Azo dyes, their preparation and their use

专利名称：Azo dyes, their preparation and their use发明人：WALTER, HARALD, DR.,HURTER, RUDOLF申请号：EP89810476.5申请日：19890620公开号：EP0349486A3公开日：19901205

摘要：A compound of the formula ##STR1## in which R.sub.1 and R.sub. 2

independently of one another are each C.sub.1 -C.sub.10 alkyl which is unsubstituted orsubstituted by hydroxyl, C.sub.1 -C.sub.4 alkoxy, phenyl, sulfo, sulfato, thiosulfato, cyanoor halogen, C.sub.5 -C.sub.7 cycloalkyl which is unsubstituted or substituted by halogen,C.sub.1 -C. sub.4 alkyl, or C.sub.1 -C.sub.4 alkoxy, or phenyl or naphthyl which both areunsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C. sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, benzoylamino, halogen or sulfo, R.sub.3 is hydrogen, halogen,C.sub.1 -C.sub.10 alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4alkoxy, phenyl, sulfo, sulfato, thiosulfato, cyano or halogen, C.sub.1 -C.sub.10 alkoxy whichis unsubstituted or substituted by C.sub.1 -C.sub.4 alkoxy, or phenoxy which is

unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, benzoylamino, halogen or sulfo, X is --CO-- or --SO.sub.2 --, n isthe number 1,2,3,4,5 or 6 and M is a cation.

申请人：CIBA-GEIGY AG

地址：Klybeckstrasse 141 4002 Basel CH

国籍：CH

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