Magenta dye developers

Radiation imagery chemistry: process – composition – or product th – Imaged product – Nonsilver image

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Details

430222, 430223, 430226, 430224, 430241, 430242, 430243, G03C 140, G03C 554

Patent

active

042647010

ABSTRACT:
Diffusion transfer color processes and products are disclosed employing image-dye providing materials providing magenta image dyes having the chromophoric system represented by the formula ##STR1## wherein each R is the same or different and is an alkyl group, and each X is the same or different and is hydrogen or an alkyl group (including substituted alkyl). The dye image-providing material includes a diffusion control moiety, such as a hydroquinonyl group, and may be diffusible or nondiffusible as a function of the diffusion control moiety.

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patent: 3822126 (1974-07-01), Inoue et al.
patent: 4076529 (1978-02-01), Fleckenstein et al.
Venkataraman, The Chemistry of Synthetic Dyes, vol. VIII, Chapter VIII, 1978, pp. 331-387.

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