Azo dyes, their preparation and the use thereof

Details Azo dyes, their preparation and the use thereof Azo dyes, their preparation and the use thereof

1991-01-18

1993-03-23

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534764, C09B 3110

Patent

active

051965208

ABSTRACT:
The invention relates to azo dyes of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is C.sub.2 -C.sub.4 alkyl, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or unsubstituted or substituted C.sub.5 -C.sub.7 cycloalkyl or phenyl, and the benzene rings I and II are unsubstituted or substituted.
The azo dyes are suitable for dyeing or printing synthetic polyamide materials, especially in conjunction with other dyes and, preferably, from short liquors. The azo dyes have good allround properties, in particular good affinity.

REFERENCES:
patent: 3900460 (1975-08-01), Dehnert

Affiliated with

Also associated with

Rating

Azo dyes, their preparation and the use thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Azo dyes, their preparation and the use thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Azo dyes, their preparation and the use thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1352671