Silver halide photographic emulsion

Details Silver halide photographic emulsion Silver halide photographic emulsion

1990-05-31

1992-05-12

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430605, G03C 109

Patent

active

051127334

ABSTRACT:
The present invention relates to a silver halide emulsion subjected to selenium sensitization in the presence of a palladium compound in an amount of 5.times.10.sup.-5 mol or more per mol of a silver halide. In addition to selenium sensitization, the emulsion may be subjected to sulfur sensitization and/or gold sensitization. In a process of manufacturing the silver halide emulsion, the palladium compound is preferably added to the emulsion before chemical sensitization.

REFERENCES:
patent: 2448060 (1946-07-01), Smith et al.
patent: 2540086 (1948-06-01), Baldsiefen et al.
patent: 3297446 (1967-01-01), Dunn
patent: 3420670 (1969-01-01), Milton
patent: 4092171 (1978-05-01), Bigelow

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