Sulphatoethylene (sulphonyl or sulphonylamino) phenyleneazo dyes

Details Sulphatoethylene (sulphonyl or sulphonylamino) phenyleneazo dyes Sulphatoethylene (sulphonyl or sulphonylamino) phenyleneazo dyes

1974-03-28

1976-12-21

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260156, 260157, 260154, 260196, 2602071, C09B 2908, C09B 2926, D06P 106

Patent

active

039988058

ABSTRACT:
Dyestuffs of the formula ##STR1## wherein B is the radical of a coupling component of the dispersion series, which is derived from an N-alkylated aniline or aminonaphthalene, and which contains in the o-position with respect to the azo bridge a free or acylated primary or secondary amino group, and which is free from water-solubilizing groups, R is a hydrogen atom, a cycloalkyl group or an optionally substituted alkyl group. The new dyestuffs give yellow, red or orange shades on polyester fibers and can be applied from aqueous baths without addition of dispersing agents.

REFERENCES:
patent: 2657205 (1953-10-01), Heyna et al.
patent: 2670265 (1954-02-01), Heyna et al.
patent: 2784204 (1957-03-01), Heyna et al.
patent: 3114754 (1963-12-01), Lodge et al.
patent: 3197456 (1965-07-01), Kuhne et al.
patent: 3297678 (1967-01-01), Kuhne et al.
patent: 3417074 (1968-12-01), Kuhne et al.
patent: 3637648 (1972-01-01), Kuhne et al.
patent: 3852263 (1974-12-01), Siegel

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