Room-light handleable direct reversal silver halide emulsions co

Details Room-light handleable direct reversal silver halide emulsions co Room-light handleable direct reversal silver halide emulsions co

1996-07-31

1998-02-17

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430510, 430523, 430600, 430604, 430605, 430606, 430613, G03C 136

Patent

active

057190194

ABSTRACT:
Room-light handleable direct silver halide emulsions exhibit a broadened Dmin window when certain nitro-substituted aryl- or heteroaryl-containing imidazoles are included. These imidazoles act as excellent rereversal and Dmin suppressants. Photographic elements are prepared from these emulsions that can be handled in room-light if desired.

REFERENCES:
patent: 3615607 (1971-10-01), Soma et al.
patent: 4495274 (1985-01-01), Yoshida
patent: 4717648 (1988-01-01), Ueda et al.
patent: 4923790 (1990-05-01), Kato et al.
patent: 4990438 (1991-02-01), Ogi et al.
patent: 5221601 (1993-06-01), Graindourze et al.
patent: 5240828 (1993-08-01), Janusonis et al.

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