Silver halide elements with improved speed and low fog

Details Silver halide elements with improved speed and low fog Silver halide elements with improved speed and low fog

1991-07-05

1993-03-09

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430603, G03C 109

Patent

active

051926555

ABSTRACT:
Substituted diaminedithio-containing compounds useful for improving the speed of a silver halide emulsion are described. These compounds can be added in small amounts to the emulsion preferably after the emulsion has been chemically sensitized and just prior to coating. Fog levels are not greatly affected which is surprising since conventional sensitizers generally do increase the fog level.

REFERENCES:
patent: 3565625 (1971-02-01), Bloom et al.
patent: 4251617 (1981-02-01), Scavron
patent: 4481359 (1984-11-01), Beutel et al.
patent: 4514492 (1985-04-01), LeStrange et al.

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