Photographic products and processes employing novel...

Details Photographic products and processes employing novel... Photographic products and processes employing novel...

C - Chemistry, Metallurgy

09

B

260/166, 260/162

C09B 29/00 (2006.01) C09B 35/02 (2006.01) G03C 1/40 (2006.01) G03C 8/10 (2006.01)

Patent

CA 1171408

ABSTRACT OF THE DISCLOSURE Photographic elements, diffusion transfer assem- blages and processes are described which employ a novel nondiffusible compound having a releasable 6-(2-thienyl- azo)-3-pyridinol cyan dye moiety or precursor thereof, the compound containing: (a) in the 3-position of the thienylazo moiety a carboxy group, a salt thereof or a hydrolyzable precursor thereof; and (b) a ballasted carrier moiety which is capable of releasing tne diffusible 6-2-thienylazo)-3- pyridinol aye moiety or precursor thereof under alkaline conditions.

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