Water-soluble naphyhyl-azo-pyrazolone fiber reactive dyestuffs

Details Water-soluble naphyhyl-azo-pyrazolone fiber reactive dyestuffs Water-soluble naphyhyl-azo-pyrazolone fiber reactive dyestuffs

1975-10-17

1977-09-06

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260153, 260155, 260193, 260194, 260195, 260196, C09B 2938, C09B 4318

Patent

active

040467546

ABSTRACT:
A water-soluble monoazo dyestuff having in form of the free acid the formula ##STR1## WHEREIN A represents the radical of a coupling component of the pyrazolone series, X represents the grouping --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Z, in which Z stands for a hydroxy group or an inorganic or organic radical capable of being split off by an alkaline agent, and m and n each represent the integer 1 or 2, said dyestuffs being highly suitable for the dyeing or printing of leather or textile materials consisting of wool, silk, polyamides, native or regenerated cellulose and yielding on cellulose fibrous materials in the presence of alkaline agents bright dyeings or prints of good to very good fastness to light and wet processing and of good resistance to alkaline agents.

REFERENCES:
patent: 3114746 (1963-12-01), Benz et al.
patent: 3135730 (1964-06-01), Heyna et al.
patent: 3346553 (1967-10-01), Kuhne et al.
patent: 3406163 (1968-10-01), Meininger et al.
patent: 3419541 (1968-12-01), Kuhne et al.
patent: 3426008 (1969-02-01), Meininger et al.
patent: 3462409 (1969-08-01), Meininger
patent: 3655642 (1972-04-01), Meininger et al.

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