Hydroxyarylacyl dye compounds and silver halide photographic ele

Details Hydroxyarylacyl dye compounds and silver halide photographic ele Hydroxyarylacyl dye compounds and silver halide photographic ele

1992-11-19

1994-10-11

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430567, 430584, 430588, G03C 114, G03C 116, G03C 118, G03C 120

Patent

active

053546512

ABSTRACT:
Spectral sensitizing dyes, and silver halide photographic elements incorporating them, which dyes have the formula: ##STR1## wherein: X1 and X2 each independently represent the atoms necessary to complete a 5- or 6-membered heterocyclic nucleus, wherein X1 may be further substituted and X2 may be substituted or unsubstituted;

REFERENCES:
patent: 3397060 (1968-08-01), Schwan et al.
patent: 3764340 (1973-10-01), Skiba et al.
patent: 3770449 (1973-11-01), Shiba et al.
patent: 3832189 (1974-08-01), Shiba et al.
patent: 3918979 (1975-11-01), Sato et al.
patent: 4032349 (1977-06-01), Sakanoue et al.
patent: 4800154 (1989-01-01), Okazaki et al.
Chemical Abstract CA97(7):51808e relating to JP57-47493 and Registry identification of 82459-11-8.
Derwent Publications Ltd.; J6 1252-545-A; Konishiroku Photo KK; Green-sensitive silver halide photographic material-contg. magenta coupler and two kinds of sensitised dye.

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