Prebath for fogging silver halide including a fogging metal...

Details Prebath for fogging silver halide including a fogging metal... Prebath for fogging silver halide including a fogging metal...

G - Physics

03

C

96/279, 96/71

G03C 5/50 (2006.01)

Patent

CA 1146791

Abstract of the Disclosure The stability of baths containing fogging agents, especially the stability of baths containing tin-II-ions, is increased by addition of an agent of the following formula Image or a photographically acceptable salt thereof, wherein R1 and R2, which may be the same or different, represent hydro- gen, a saturated or unsaturated aliphatic group, an aryl group, a heterocyclic group or an acyl group; and X represents OR3 or NR4R5 wherein R3, R4 and R5, which may be the same of different, are defined as R1.

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