Eastman-kodak Company

David Beaumond

Nicholas A Pightling

Richard L Parton

Anthony Adin

Annabel A Muenter

Roger H Piggin

Philip J Coldrick

Allison Hazel Dale

Michael B Ledger

A high-contrast photographic element, adapted for use in the field of graphic arts, includes a hydrazide nucleator and an amine booster and comprises a silver halide emulsion layer which is capable of forming a latent image under conditions of use and a second silver halide emulsion layer which is not capable of forming a latent image under conditions of use.

High contrast photographic silver halide material

High contrast graphic arts photographic materials exhibiting improved accuracy in image reproduction are comprised of a support, a silver halide emulsion layer having a chloride content of at least 50 mole percent, and a non-electroconductive hydrophilic colloid layer containing both a vinyl polymer and a hydrophilic colloid interposed between the support and the silver halide emulsion layer. A hydrazine nucleating agent is incorporated in or adjacent to the silver halide emulsion layer and the photographic material preferably also contains an amino compound which functions as a booster.

Photographic high-contrast silver halide materials

A photographic element is disclosed comprising a support having thereon a silver halide emulsion layer spectrally sensitized with

Photographic element

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Chalfont St. Giles, United Kingdom

David Beaumond