1:2 Cobalt complexes of disazo dyes

Details 1:2 Cobalt complexes of disazo dyes 1:2 Cobalt complexes of disazo dyes

1989-07-17

1990-05-08

Higel, Floyd D.

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

Organic compounds

Azo

534573, 534602, 534699, 534688, C09B 4524, C09B 3304, D06P 110, D06P 302

Patent

active

049239732

ABSTRACT:
1:2 Cobalt complex dyes of the general formula I ##STR1## in which X.sub.1 is nitro or hydrogen, X.sub.2 is nitro, hydrogen, chlorine or methyl, Y.sub.1 is nitro or hydrogen, Y.sub.2 is nitro, hydrogen, chlorine or methyl, m and n, independently of each other, are each 1, 2 or 3, and Ka.sup.+ is a cation, and one of each pair of substituents X.sub.1 or X.sub.2 and Y.sub.1 or Y.sub.2 is nitro and the other is as defined but not nitro are especially suitable for dyeing wool or polyamide and, in particular, leather.

REFERENCES:
patent: 2117707 (1938-05-01), Daudt
patent: 2136650 (1938-11-01), Crossley et al.
patent: 2153531 (1939-04-01), Lange
patent: 2200445 (1940-05-01), Fellmer
patent: 2257165 (1941-09-01), Fellmer
patent: 4424152 (1984-01-01), Mennicke et al.

Affiliated with

Also associated with

Rating

1:2 Cobalt complexes of disazo dyes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 1:2 Cobalt complexes of disazo dyes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 1:2 Cobalt complexes of disazo dyes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2350020