Disazo dyestuffs having an alkoxy group on the first and/or seco

Details Disazo dyestuffs having an alkoxy group on the first and/or seco Disazo dyestuffs having an alkoxy group on the first and/or seco

1976-06-07

1979-03-06

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260186, 260187, C09B 3104, C09B 3106, C09B 3108

Patent

active

041430352

ABSTRACT:
Compounds of the formula ##STR1## in which A.sub.1 and A.sub.2 may be hydrogen, alkyl, alkoxy, hydroxy, halo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, alkoxyalkyl, sulfamoyl, N-alkylsulfamoyl, carboxylic acyl or carboxylic acylamino, B.sub.1 and B.sub.2 are each hydrogen, lower alkoxy, lower alkyl, chloro, bromo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, or alkoxyalkyl, wherein at least one of A.sub.1, A.sub.2, B.sub.1, or B.sub.2 is alkoxy, and D represents a hydroxy or amino naphthyl or a benzylamino substituted phenyl group, are valuable dyestuffs for natural and synthetic polyamide fibers giving substantially complete exhaustion from neutral or acid aqueous dyebaths without further addition of chemical agents.

REFERENCES:
patent: 2705708 (1955-04-01), Keller
patent: 3049532 (1962-08-01), Gaetani
patent: 3090780 (1963-05-01), Gaetani
patent: 3096140 (1963-07-01), Gaetani
patent: 3100769 (1963-08-01), Gaetani
patent: 3274172 (1966-09-01), Koike et al.
patent: 3494714 (1970-02-01), Litke
patent: 3580901 (1971-05-01), Feeman
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patent: 3709870 (1973-01-01), Wolfrum
patent: 3960831 (1976-06-01), Nickel et al.
patent: 3971769 (1976-07-01), Feeman
Colour Index, 2nd Ed., vol. 1, 1956, pp. 1116, 1137 and 1157.
Colour Index, 2nd Ed., vol 3, 1956, p. 3223 (C.I. 27180).
Ibid, p. 3214 (C.I. 26660), and 3223 (C.I. 27150).
Lubs, The Chemistry of Synthetic Dyes and Pigments, Reinhold Publishing Corp., New York, 1955, pp. 670-671.
Venkataraman, The Chemistry of Synthetic Dyes, vol. 1, Academic Press Inc., New York, 1952, p. 270.
Colour Index, 2nd Ed., "Additions and Amendments," No. 24, (new series), Jul. 1969, p. 627 (C.I. 26207).
Colour Index, 2nd Ed., vol. 3, 1956, pp. 3211 (C.I. 26420), 3214 (C.I. 26665), and 3220 (C.I. 27025).
Cerniani, Boll. Sci. Fas. Chem. Ind. Bologna, 1969, 27(4), pp. 305-312.

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