Novel image dye-providing materials, photographic products and p

Details Novel image dye-providing materials, photographic products and p Novel image dye-providing materials, photographic products and p

1979-12-26

1981-05-12

Schilling, Richard C.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430243, 430559, G03C 140, G03C 700, G03C 554, G03C 110

Patent

active

042672511

ABSTRACT:
There are disclosed diffusion transfer color processes and products which employ novel image dye-providing materials which provide image dyes having the chromophoric system represented by the formula ##STR1## wherein A is ##STR2## X is H, alkyl, aryl or substituted aryl; W is H or alkyl, R is H or alkyl; m and n are each integers of from 2 to 6.
The image dye-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.

REFERENCES:
patent: 3687678 (1972-08-01), Riester
Venkataraman, K., Chemistry of Synthetic Dyes, vol. III, Chapter VIII, 5/1978, pp. 331-387. _

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