Silver halide photographic light-sensitive material

Details Silver halide photographic light-sensitive material Silver halide photographic light-sensitive material

1989-04-14

1990-01-30

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430603, 430605, 430608, 430615, G03C 108, G03C 134

Patent

active

048973424

ABSTRACT:
In a method of preparing a light-sensitive silver halide photographic emulsion, silver salt and halide are mixed in the presence of an iridium compound. The emulsion is then chemically ripened by an instable sulfur compound and a nitrogen-containing heterocyclic compound capable of forming a complex with silver.

REFERENCES:
patent: 2784091 (1957-03-01), Carroll et al.
patent: 3573056 (1971-03-01), Baldock et al.
patent: 3901713 (1975-08-01), Yamasue et al.
patent: 4078937 (1978-03-01), Tani et al.
patent: 4288535 (1981-09-01), Kanisawa et al.
patent: 4542094 (1985-09-01), Koshizuka et al.

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