Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1983-06-13
1986-04-15
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534573, 534683, 534688, 534696, 534699, C09B 4506, C09B 4510, C09B 4526, C09B 4530
Patent
active
045828962
ABSTRACT:
Dyes of the formula ##STR1## in which Me is cobalt or chromium, A is a diazo component of a benzene or naphthalene which carries a hydroxyl or carboxyl group in the o-position relative to the azo group, B is an o-aminonaphthol, R and R' independently of each other are each benzene or naphthalene which can carry further substituents, but no arylamino radicals, no sulfo groups and no metallizable groups, in the o-position relative to the azo group, Ka is a cation, p is 0 or 1, m and n independently of each other are each such a number from 0 to 1 that the total n+m is a number from 1 to 2, and q is an integer from 1 to 6 are particularly suitable for dyeing wool or polyamide and especially leather in shades of deep brown, grey and black.
These dyes exhibit good affinity, good acid and alkali stability, and good fastness.
REFERENCES:
patent: 2200445 (1940-05-01), Fellmer
patent: 2257165 (1941-09-01), Fellmer
patent: 2933488 (1960-04-01), Biedermann et al.
patent: 3787387 (1974-01-01), Wicki
patent: 3975369 (1976-08-01), Wicki
Ciba-Geigy Corporation
Fishman Irving M.
Higel Floyd D.
Mansfield Kevin T.
McC. Roberts Edward
LandOfFree
1:2-metal complex dyes containing one atom of chromium or cobalt 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-metal complex dyes containing one atom of chromium or cobalt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 1:2-metal complex dyes containing one atom of chromium or cobalt will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1439552