Azo dyes containing phosphamic acid diester groups

Details Azo dyes containing phosphamic acid diester groups Azo dyes containing phosphamic acid diester groups

1982-09-29

1984-06-26

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

430390, 430562, G03C 726

Patent

active

044566689

ABSTRACT:
Azo dyes of the formula ##STR1## in which X.sub.1 and X.sub.2 independently of one another are alkyl, cycloalkyl, alkenyl, aryl or aralkyl, Y.sub.1 is hydrogen or alkyl, Y.sub.2 is hydrogen, alkyl, alkenyl or aryl or together with Y.sub.1 stands for the atoms required to complete a ring, Z.sub.1 is hydrogen, alkyl, alkenyl, alkoxy, aryl, aryloxy, alkylmercapto, arylmercapto, halogen, cyano, carbalkoxy or stands for the atoms which together with Y.sub.1 form a ring, and D.sub.1 is the radical of a heterocyclic azo component such as a thienyl, thiazolyl, benzthiazolyl, pyrazolyl or imidazolyl radical, or is phenyl optionally substituted by alkyl, cycloalkyl, alkoxy, alkenyl, electronegative substituents such as halogen, cyano, nitro or carboxylic acyl, alkyl- or phenylsulfone or N-alkyl or N,N-dialkyl-substituted sulfonamido, can be used as image dyes in photographic silver dye-bleach materials, or for dyeing textile materials.

REFERENCES:
patent: 4026709 (1977-05-01), Piller et al.
patent: 4346155 (1982-08-01), Chapman et al.
patent: 4379819 (1983-04-01), Lenoir et al.

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