Heterocyclic magenta dye-forming couplers

Details Heterocyclic magenta dye-forming couplers Heterocyclic magenta dye-forming couplers

1981-02-04

1982-07-06

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430387, 430389, 430472, 430476, 430548, 430558, G03C 700, G03C 140

Patent

active

043383939

ABSTRACT:
Photographic magenta dye-forming couplers have the general formula: ##STR1## wherein: A represents the atoms necessary to complete, with the nitrogen atom to which it is attached, a magenta dye-forming coupler moiety whose coupling position is inactivated by the --CHR.sup.1 R.sup.2 group;

REFERENCES:
patent: 3649278 (1972-03-01), Iwama et al.
patent: 3725067 (1973-04-01), Bailey et al.
patent: 3733335 (1973-05-01), Anderson
patent: 4061498 (1977-12-01), Monbaliu et al.
patent: 4123281 (1978-10-01), Monbaliu et al.
patent: 4130427 (1978-12-01), Monbaliu et al.
patent: 4283472 (1981-08-01), Gompf et al.

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