Heterocyclic azo dyes with couplers having sulfoaralkyl groups

Details Heterocyclic azo dyes with couplers having sulfoaralkyl groups Heterocyclic azo dyes with couplers having sulfoaralkyl groups

1983-06-06

1984-07-10

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260155, 260156, 260157, 260158, 260162, 260163, C09B 29033, C09B 2909, C09B 2936, C09B 2944

Patent

active

044592299

ABSTRACT:
This invention relates to azo dyes prepared by diazotizing substituted or unsubstituted heterocyclic amines such as 2-aminothiophene and coupling with certain aniline, tetrahydroquinoline, or benzomorpholine compounds containing sulfoaralkyl groups. These dyes are particularly useful in dyeing polyamide fibers, cellulose acetate fibers and wool.

REFERENCES:
patent: 3639384 (1972-02-01), Weaver et al.
patent: 4041025 (1977-08-01), Wolfrum et al.
patent: 4063881 (1977-12-01), Razavi
patent: 4264495 (1981-04-01), Maher et al.

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