Process for preparing a silver halide emulsion

Details Process for preparing a silver halide emulsion Process for preparing a silver halide emulsion

1989-07-12

1991-09-24

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430546, 430570, G03C 1015, G03C 138

Patent

active

050513508

ABSTRACT:
A process for preparing a silver halide emulsion, which comprises dissolving one or more substantially water-insoluble photographic additives in a heated solution of an organic solvent containing a surfactant having a hydrophilic --CO.sub.3 or --OSO.sub.3 group to completely dissolve the one or more substantially water-insoluble additives, cooling the resulting solution to precipitate crystals, separating the crystals from the solution, drying the separated crytals, dispersing said crystals in water and adding the resulting dispersion to a silver halide emulsion.

REFERENCES:
patent: 3912517 (1975-10-01), Van Poucke et al.
patent: 4006025 (1977-02-01), Swank et al.
patent: 4211836 (1980-07-01), Yoneyama et al.
patent: 4474872 (1984-10-01), Onishi et al.

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