Magenta coupler monomer, a polymeric magenta coupler and a color

Details Magenta coupler monomer, a polymeric magenta coupler and a color Magenta coupler monomer, a polymeric magenta coupler and a color

1988-05-31

1990-05-01

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430558, G03C 738

Patent

active

049217828

ABSTRACT:
Polymeric magenta couplers containing polymerized units of a carboxyl-containing polymerizable pyrazoloazole coupler corresponding to formula I below give magenta images characterized increased color density Dmax. ##STR1## in this formula, R.sup.1 =H, alkyl, aralkyl or aryl; X=H or a group releasable by coupling; Z.sub.a, Z.sub.b, Z.sub.c =an optionally substituted methine group, .dbd.N-- or --NH--, either the bond Z.sub.a --Z.sub.b or the bond Z.sub.b --Z.sub.c being a double bond and the other bond being a single bond; and at least R.sup.1 or X or a substituent at a methine group Z.sub.a, Z.sub.b or Z.sub.c contains an ethylenically unsaturated polymerizable group in optionally polymerized form and at least R.sup.1 or X or a substituent at a methine group Z.sub.a, Z.sub.b or Z.sub.c contains a carboxyl group.

REFERENCES:
patent: 4576910 (1986-03-01), Hirano et al.
patent: 4585732 (1986-04-01), Kawagishi et al.
patent: 4769313 (1988-09-01), Fujimoto et al.

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