Acylhydrazinophenylthiourea nucleating agents and photographic e

Details Acylhydrazinophenylthiourea nucleating agents and photographic e Acylhydrazinophenylthiourea nucleating agents and photographic e

1980-06-23

1981-06-30

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430217, 430219, 430410, 430598, 430599, 430237, 430604, 430248, 564 27, G03C 106, G03C 554, G03C 140, G03C 148

Patent

active

042763649

ABSTRACT:
Novel 3,3-disubstituted acylhydrazinophenylthiourea nucleating agents are disclosed as well as silver halide photographic emulsions and elements containing silver halide grains capable of forming an internal latent image having the nucleating agents adsorbed to the surface of the silver halide grains. Imaging processes in which these materials participate are also disclosed.

REFERENCES:
patent: 4030925 (1977-06-01), Leone et al.

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