Polyamides dyed with rubine disazo acid dyes and process therefo

Details Polyamides dyed with rubine disazo acid dyes and process therefo Polyamides dyed with rubine disazo acid dyes and process therefo

1979-03-26

1980-08-12

Doll, John

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

8664, D06P 324

Patent

active

042171024

ABSTRACT:
Dyes of the formula ##STR1## wherein B and D are each independently 1,4-phenylene or 1,4-naphthylene; M is hydrogen, lithium, sodium, potassium or ammonium;

REFERENCES:
patent: 3823131 (1974-07-01), Stingl
Colour Index, vol. 4, CMPD No. CI26200, p. 4228 (1971).
Crompton et al., "Derwent--Netherlands Patents", No. 08569x/05 (1974).
ICI, "Derwent--Belgian Patents", No. 22489w/14, (1975).

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