Yellow DIR coupler with 5-furyl(1,2,4-triazole) coupling off gro

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...

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430557, 430558, 430957, G03C 140, G03C 736

Patent

active

045798168

ABSTRACT:
Yellow DIR couplers corresponding to formula I below are capable of producing remarkably powerful inhibitory effects on remote layers while their action on the layer containing them is comparatively slight: ##STR1## In the above formula, R.sup.1 represents straight-chained or branched alkyl, optionally substituted aryl or --NR.sup.5 R.sup.6,

REFERENCES:
patent: 4182630 (1980-01-01), Quaglia
patent: 4359521 (1982-11-01), Fryberg et al.

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