Photographic products and processes employing novel...

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

C - Chemistry, Metallurgy

09

B

96/26, 260/170.7

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

Patent

CA 1169054

ABSTRACT OF THE DISCLOSURE Photographic elements, diffusion transfer assem- blages and processes are described which employ a novel nondiffusible compound having a releasable 6-arylazo-3- pyridinol magenta dye moiety or precursor thereof having the formula: Image wherein: (a) R represents hydroxy or amino; (b) R1 represents hydrogen, a hydrolyzable moiety or CAR; (c) G represents carboxy; a hydrolyzable ester or a sulfamoyl group; (d) CAR represents a ballasted carrier moiety capable of releasing the diffusible 6-arylazo-3-pyridinol dye moiety or precursor thereof under alkaline conditions; and (e) n is 0, 1 or 2, with the proviso that when n is 0, then R1 is CAR.

381130

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