Salts of stilbene-azo and stilbene-azoxy dyes and process for th

Details Salts of stilbene-azo and stilbene-azoxy dyes and process for th Salts of stilbene-azo and stilbene-azoxy dyes and process for th

1973-08-06

1976-04-27

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260169, 260205, 8 7, C09B 2702

Patent

active

039534197

ABSTRACT:
Novel salts of stilbene-azo or stilbene-azoxy dyestuffs, in which the cations are selected from tetra-alkylammonium, tetra-alkylammonium in combination with lithium, sodium, potassium or ammonium, and ammonium in combination with lithium, sodium or potassium, have good cold water solubility relative to known salts of such dyes. The preferred dyes have the formula ##SPC1##
Wherein

REFERENCES:
patent: 2681926 (1954-06-01), Lane et al.
patent: 2865908 (1958-12-01), DeHoff
patent: 3122529 (1964-02-01), Huey et al.
patent: 3186980 (1965-06-01), Litke
patent: 3547774 (1970-12-01), Rebhahn et al.
patent: 3557079 (1971-01-01), Doody
patent: 3905949 (1975-09-01), Perkins et al.
Venkataraman, The Chemistry of Synthetic Dyes, Vol. 1, Academic Press Inc.: New York, 1952, pp. 628-631.

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