Method of preparing silver halide photographic emulsions

Details Method of preparing silver halide photographic emulsions Method of preparing silver halide photographic emulsions

1994-08-04

1996-01-23

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430642, 430627, 430634, 430635, 430636, G03C 1047, G03C 1106

Patent

active

054864518

ABSTRACT:
A method is disclosed of preparing washed silver halide photographic emulsions wherein silver halide grain formation is effected in the presence of an acid-coagulable gelatin derivative or a mixture of gelatin and an acid-coagulable gelatin derivative and coagulation of the emulsion occurs in the presence of ionic copolymers of styrene sulfonic acid and maleic acid.

REFERENCES:
patent: 3168403 (1965-02-01), Himmelmann et al.
patent: 3436220 (1969-04-01), Dersch et al.
patent: 3884701 (1975-05-01), De Pauw et al.
patent: 4391903 (1983-07-01), Sysak
Research Disclosure 308119, Dec. 1989.

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