High contrast photographic elements exhibiting reduced...

Details High contrast photographic elements exhibiting reduced... High contrast photographic elements exhibiting reduced...

G - Physics

03

C

96/127

G03C 1/34 (2006.01) G03C 1/06 (2006.01) G03C 1/33 (2006.01)

Patent

CA 1268982

HIGH CONTRAST PHOTOGRAPHIC ELEMENTS EXHIBITING REDUCED PEPPER FOG Abstract of the Disclosure 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 µm, 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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