High contrast photographic elements exhibiting reduced pepper fo

Details High contrast photographic elements exhibiting reduced pepper fo High contrast photographic elements exhibiting reduced pepper fo

1985-07-18

1986-10-21

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430631, 430605, 430603, 430570, 430611, 430607, 430599, 430564, G03C 134

Patent

active

046185747

ABSTRACT:
A negative working photographic element is disclosed capable of producing a high contrast silver image. The photographic element is comprised of surface latent image forming monodispersed silver halide grains having a mean diameter of less than 0.7 .mu.m, a contrast enhancing arylhydrazide, and, in an amount sufficient to reduce pepper fog while maintaining high contrast a polyhydroxybenzene and a carboxyalkyl-3H-thiazoline-2-thione.

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patent: 4560638 (1985-12-01), Loblaw et al.
Research Disclosure, vol. 235, Nov. 1983, Item 23510.
Research Disclosure, vol. 176, Dec. 1978, Item 17643, Section VI.
James, The Theory of the Photographic Process, 4th Ed., Macmillan, Chapter 13, Section J., Antifoggants and Stabilizers, p. 396.

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