Gelatin silver halide photographic elements for tanning...

Details Gelatin silver halide photographic elements for tanning... Gelatin silver halide photographic elements for tanning...

G - Physics

03

C

96/185

G03C 1/06 (2006.01) G03C 1/42 (2006.01) G03C 5/315 (2006.01)

Patent

CA 1202206

Gelatin Silver Halide Photographic Elements For Tanning Development. Abstract Of Disclosure Silver halide photographic elements for tanning de- velopment including tanning developers, which can diffuse into the gelatin layer containing them, can be improved if they are associated with non-diffusing hydroquinones. In the case where such tanning de- veloper is hydroquinone or a derivative thereof, said elements include such diffusing hydroquinone associated with a hydroquinone derivative non-diffusing in the gelatin layer containing it. Such non-diffusing hydroquinones preferably are hydroquinones substituted with aliphatic chains containing a total of at least twelve carbon atoms and, more preferably, are dispersed in the layer dissolved in a high-boiling organic solvent.

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