Azo dyes, azo dye-releasing compounds and photographic...

Details Azo dyes, azo dye-releasing compounds and photographic... Azo dyes, azo dye-releasing compounds and photographic...

C - Chemistry, Metallurgy

09

B

96/101, 260/168.

C09B 29/00 (2006.01) G03C 1/08 (2006.01)

Patent

CA 1118769

Abstract of the Disclosure Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a novel releasable azo dye. The dyes are azophenols, or precursors of azophenols, and have an electron withdrawing group in one of the positions ortho to the phenolic hydroxy group and a carbamoyl electron withdrawing group in the other position ortho to the phenolic hydroxy group. -1-

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