Azinoneutromethines

Details Azinoneutromethines Azinoneutromethines

1993-02-19

1994-07-12

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534795, 534770, 534788, 534753, 534775, 548141, 548161, 548198, 548206, 5482648, 5483315, 546143, 546209, C09B 29048, C09B 6906

Patent

active

053289943

ABSTRACT:
New azinoneutromethines of the formula ##STR1## in which the symbols used have the meaning given in the description, a process for their preparation and their use in thermal and photochromic recording materials, as nonlinear optical materials, as photoconductors in electrophotography and for dyeing fibres and woven fabrics of polyester and plastics.

REFERENCES:
patent: 3673169 (1972-06-01), Weaver et al.
patent: 4994563 (1991-02-01), Walter et al.
patent: 5208325 (1993-05-01), Berneth et al.
J. Chem. Soc., Chem. Commun., 1990, pp. 325 and 326.
Dyes and Pigments 16, 1991, pp. 183 to 196.

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