Silver halide photographic emulsions

Details Silver halide photographic emulsions Silver halide photographic emulsions

1984-04-11

1985-11-12

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430572, 430573, 430576, 430591, 430613, 430614, G03C 726, G03C 102

Patent

active

045528373

ABSTRACT:
A silver halide color photographic emulsion is described, containing at least one sensitizing dye represented by formula (I) and at least one compound represented by formula (II). The use of compounds of formula (I) in combination with compounds of formula (II) permits the spectral sensitization of photographic emulsions without extending the wavelength region of spectral sensitivity, enabling the production of a light-sensitive material of high sensitivity and reduced fog. ##STR1## (The symbols V, W.sub.1, W.sub.2, R.sub.1, R.sub.2, R.sub.3, X, n, R.sub.5, Y, X.sub.1, m.sub.1 and m.sub.2 are as defined in the appended claims).

REFERENCES:
patent: 2288226 (1942-06-01), Carroll et al.
patent: 3583870 (1971-06-01), Gilman
patent: 4135931 (1979-01-01), Yoneyama et al.
Chemical Abstracts, vol. 87, Item 93506d, 1977.

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