Photographic coupler

Details Photographic coupler Photographic coupler

1993-04-01

1994-04-26

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430384, 430385, G03C 738

Patent

active

053066103

ABSTRACT:
Disclosed is a photographic coupler represented by the formula 1: ##STR1## wherein R.sup.1, R.sup.2 and Y each represent hydrogen atom or a substituent; Z represents a non-metallic atomic group necessary for forming a 5- to 7-membered heterocyclic ring, and said 5- to 7-membered ring may have a substituent(s); and X represents hydrogen atom or a substituent which is eliminatable by the reaction with an oxidized product of a color developing agent, which is used for a light-sensitive silver halide color photographic material and a heat-processable light-sensitive material.

REFERENCES:
patent: 4992442 (1991-12-01), Tsujitani et al.
Shindo et al, Heterocycles 29 p. 899 (1989).

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