Method for producing silver halide emulsion and photographic mat

Details Method for producing silver halide emulsion and photographic mat Method for producing silver halide emulsion and photographic mat

1996-12-31

2000-03-21

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430642, G03C 1015, G03C 1035, G03C 1047

Patent

active

060401273

ABSTRACT:
A method for producing a silver halide emulsion in which grains having an aspect ratio of from 1.5 to 100 occupy from 75 to 100% of the total projected area of all grains comprising at least nucleation, ripening and grain growth processes in a dispersion medium solution containing water and a dispersion medium, wherein the dispersion medium solution contains low molecular weight gelatin having a molecular weight of from 1,000 to 70,000 at least during a nucleation process and chemically modified gelatin having a chemical modification rate of the amino group of from 15% to 100% at least during a grain growth process.

REFERENCES:
patent: 4301241 (1981-11-01), Saito et al.
patent: 5147773 (1992-09-01), Tsaur et al.
patent: 5472837 (1995-12-01), Okutsu
patent: 5587281 (1996-12-01), Saitou et al.

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