Speed and contrast promoted silver halide doped emulsions

Details Speed and contrast promoted silver halide doped emulsions Speed and contrast promoted silver halide doped emulsions

G - Physics

03

C

96/85

G03C 1/64 (2006.01) G03C 1/06 (2006.01) G03C 1/10 (2006.01) G03C 5/305 (2006.01)

Patent

CA 2016495

44222CAN3A ABSTRACT SPEED AND CONTRAST PROMOTED SILVER HALIDE DOPED EMULSIONS Negative-acting silver halide photographic materials comprising Group VIII metal doped silver halide emulsions free from contrast-promoting amounts of hydrazine derivatives containing as speed and contrast promoting agents one or more compounds of the general formula: (i) Image (ii) Image (iii) (iv) The photographic materials are suitable for use in the photolithographic industry and for development of daylight-handleable contact film.

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