Copper formazan reactive dyes having halotriazine ring

Details Copper formazan reactive dyes having halotriazine ring Copper formazan reactive dyes having halotriazine ring

1989-11-03

1991-08-20

Lee, Mary C.

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

Organic compounds

Azo

534652, 534887, C09B 6204, D06P 1382

Patent

active

050415409

ABSTRACT:
Novel copper formazan reactive dyes which contain one or two chromophoric radicals derived from a copper formazan of the formula ##STR1## where R.sup.1 is hydrogen, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkoxy or chlorine, R.sup.2 is hydrogen or hydroxysulfonyl and one of the two radicals R.sup.3 and R.sup.4 is hydrogen and the other is hydroxysulfonyl or, if at least one of the two radicals R.sup.1 and R.sup.2 is hydroxysulfonyl, R.sup.3 and R.sup.4 can each at the same time also be hydrogen, and two or three halotriazine radicals as reactive system, and salts thereof, are useful for dyeing or printing hydroxyl- or nitrogen-containing organic substrates.

REFERENCES:
patent: 3926942 (1975-12-01), Yelland
patent: 4507236 (1985-03-01), Seiler et al.
patent: 4556706 (1985-12-01), Hegar et al.

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