Azo dyes containing a 7-sulfoalkanoylamino-1,2,3,4-tetrahydroqui

Details Azo dyes containing a 7-sulfoalkanoylamino-1,2,3,4-tetrahydroqui Azo dyes containing a 7-sulfoalkanoylamino-1,2,3,4-tetrahydroqui

1990-03-05

1991-12-10

Lee, Mary C.

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

Organic compounds

Azo

534728, 534770, C09B 2944, C09B 29033, D06P 106

Patent

active

050719688

ABSTRACT:
Azo dyes of the formula ##STR1## where D is a diazo component, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of the others hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, and n is 1,2,3,4 or 5, produce dyeings of good fastness properties on nitrogen-containing or hydroxyl-containing fibre materials.

REFERENCES:
patent: 4255326 (1981-03-01), Giles et al.
patent: 4265812 (1981-05-01), Weaver et al.
patent: 4282144 (1981-08-01), Weaver et al.
patent: 4301068 (1981-11-01), Giles et al.
patent: 4301069 (1981-11-01), Weaver et al.
patent: 4301070 (1981-11-01), Giles et al.
patent: 4301071 (1981-11-01), Giles et al.
patent: 4302387 (1981-11-01), Giles et al.
patent: 4302390 (1981-11-01), Giles et al.
patent: 4400318 (1983-08-01), Weaver et al.
patent: 4530997 (1985-07-01), Weaver et al.
patent: 4554348 (1985-11-01), Gourley
patent: 4575482 (1986-03-01), Lenoir
Hackh's Chemical Dictionary, 4th Ed. pp. 675 & 677 (1969).

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