4-Methyl-2,6-dihydroxy-3-cyanopyridine containing dyestuffs

Details 4-Methyl-2,6-dihydroxy-3-cyanopyridine containing dyestuffs 4-Methyl-2,6-dihydroxy-3-cyanopyridine containing dyestuffs

1973-11-01

1976-05-11

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260145B, 260146D, 260146T, 260153, 260154, 260156, C09B 4516, C09B 4518, C09B 4520, C09B 4522

Patent

active

039562638

ABSTRACT:
Water-soluble copper-, chromium-, cobalt- or nickel- complexes of dyestuffs containing at least one sulfo group and a group of the formula ##SPC1##
Are disclosed. These dyequffs are useful in dyeing man-made fibers, especially wool, and are fast to light and wet treatments.

REFERENCES:
patent: 3121712 (1964-02-01), Berrie et al.
patent: 3122533 (1964-02-01), Senn
patent: 3123595 (1964-03-01), Brugger et al.
patent: 3196145 (1965-07-01), Reding et al.
patent: 3234208 (1966-02-01), Liechti
patent: 3316238 (1967-04-01), Hanke et al.
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3642765 (1972-02-01), Oesterlein et al.
Venkataraman, "The Chemistry of Synthetic Dyes", Academic Press, Inc., New York, 1952, p. 270.

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