Polymeric magneta coupler and a colour photographic recording ma

Details Polymeric magneta coupler and a colour photographic recording ma Polymeric magneta coupler and a colour photographic recording ma

1987-03-04

1989-09-12

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430558, 430630, G03C 738

Patent

active

048659606

ABSTRACT:
Magenta images of increased color density D.sub.max can be obtained by using polymeric couplers containing polymerized units of a polymerizable pyrazoloazole coupler of formula I and polymerized units of a polymerizable monomer S which contains at least one acid group and is unsoluble in water at pH .ltoreq.6 and soluble in water at pH .gtoreq.10. ##STR1## In formula I R.sup.1 denotes H, alkyl, aralkyl or aryl,

REFERENCES:
patent: 4511647 (1985-04-01), Hirano et al.
patent: 4576910 (1986-03-01), Hirano et al.
patent: 4585732 (1986-04-01), Kawagishi et al.
patent: 4612278 (1986-09-01), Lau et al.
patent: 4663272 (1987-05-01), Nakamura
patent: 4756998 (1988-07-01), Helling et al.

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