Spectral sensitization of silver halide photographic elements

Details Spectral sensitization of silver halide photographic elements Spectral sensitization of silver halide photographic elements

1996-11-22

1998-01-13

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430580, 430591, 430594, G03C 129, G03C 124

Patent

active

057077940

ABSTRACT:
Improved spectral sensitization with a synergistic combination of dyes is described. The two dyes include a first sensitizing dye is represented by Formula 1. ##STR1## and a second dye represented by Formula 2. ##STR2## The substituents of are defined in the description.

REFERENCES:
patent: 2493748 (1950-01-01), Brooker et al.
patent: 4469785 (1984-09-01), Tanaka et al.
patent: 4729946 (1988-03-01), Kasama
patent: 5108887 (1992-04-01), Fabricius et al.
patent: 5376523 (1994-12-01), Henry et al.
patent: 5380634 (1995-01-01), Kiekens et al.
patent: 5587482 (1996-12-01), Fabricius et al.

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