C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/166, 96/32,
C09B 29/36 (2006.01) G03C 7/32 (2006.01) G03C 8/10 (2006.01)
Patent
CA 1082175
ABSTRACT OF THE DISCLOSURE Photographic elements, diffusion transfer assem- blages and processes are described which employ a novel nondiffusible compound having a releasable azo dye moiety such as an arylazo-pyrazolotriazole or arylazo-pyridinol. The compound contains: (a) a nitrogen atom in a metal chelating location in at least one of the rings attached to the azo group; (b) in the ortho position of the arylazo moiety a metal chelating group (or a salt thereof or a hydrolyzable precursor thereof), and (c) a ballasted carrier moiety which is capable of releasing the diffusible azo dye under alkaline conditions. The dye is transferred imagewise to an image-receiving layer where it is contacted with metal ions to form a metal- complexed azo dye transfer image of excellent stability.
284981
Baigrie Brian D.
Bailey Joseph
Johnston Linda G.
Mijovic Miroslav V.
Norris Timothy
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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