Process for developing a silver halide emulsion

Details Process for developing a silver halide emulsion Process for developing a silver halide emulsion

1980-04-16

1982-04-13

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430375, 430543, 430547, 430410, 430598, 430559, 430390, G03C 136, G03C 524

Patent

active

043248551

ABSTRACT:
A process for developing a light-sensitive material comprising a support having thereon at least one internal latent image-forming silver halide photographic emulsion layer which comprises, after imagewise exposure, developing the light-sensitive material with an alkaline solution of a developing agent in the presence of a compound represented by the formula I which is capable of selectively forming latent images in the inner portions of said silver halide upon development: ##STR1## wherein Y represents an acyl group or a cyano group and said acyl group and the 3-, 4- or 5-position of the pyridinium ring may be optionally substituted.

REFERENCES:
patent: 3330655 (1967-07-01), Salminen
patent: 3759901 (1973-09-01), Lincoln et al.
patent: 4115122 (1978-09-01), Adachi et al.

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