Blended emulsions exhibiting improved speed-granularity relation

Details Blended emulsions exhibiting improved speed-granularity relation Blended emulsions exhibiting improved speed-granularity relation

1988-03-25

1989-09-12

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Chromatic image produced from achromatic reproduction image

430569, 430506, 430509, 430571, G03C 104, G03C 146, G03C 726

Patent

active

048659649

ABSTRACT:
Siliver halide photographic elements are disclosed comprised of blended emulsions. An improved relationship between speed and granularity can be realized when a blended silver bromide or bromoiodide emulsion is comprised of a high aspect ratio tabular grain emulsion containing at least one spectral sensitizing dye and a low aspect ratio grain emulsion.

REFERENCES:
patent: 3140179 (1964-07-01), Russell
patent: 3152907 (1964-10-01), Gudowsky et al.
patent: 4439520 (1984-03-01), Kofron et al.
patent: 4585729 (1986-04-01), Sugimoto et al.
patent: 4640889 (1987-02-01), Komorita et al.
patent: 4686176 (1987-08-01), Yagi et al.

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