Process for forming a cyan dye image by the use of a 2-equivalen

Details Process for forming a cyan dye image by the use of a 2-equivalen Process for forming a cyan dye image by the use of a 2-equivalen

1978-10-03

1980-06-03

Brown, Travis J.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430472, G03C 700, G03C 140

Patent

active

042059909

ABSTRACT:
A process for forming a cyan dye image by using a novel photographic 2-equivalent cyan coupler which is characterized by having a splitt-off group of the below-indicated general formula at the active position of the cyan coupler so that the oxy portion is present on the side of the active position: ##STR1## wherein R.sub.1 and R.sub.2 stand for a hydrogen atom or an organic group, provided at least one of R.sub.1 and R.sub.2 should be an organic group, is disclosed.

REFERENCES:
patent: 3551157 (1970-12-01), Salminen
patent: 3620747 (1971-11-01), Marchant et al.
patent: 3632373 (1972-01-01), O'Connell et al.
patent: 4012258 (1977-03-01), Kojima et al.
patent: 4052212 (1977-10-01), Deguchi et al.

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