Photographic elements containing new yellow-dye-forming tris cou

Details Photographic elements containing new yellow-dye-forming tris cou Photographic elements containing new yellow-dye-forming tris cou

1993-12-17

1994-10-25

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430381, G03C 736

Patent

active

053588355

ABSTRACT:
The invention provides new yellow-dye-forming couplers, new yellow dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I): ##STR1## wherein ##STR2## has the structure (II) ##STR3## wherein each --R-- is independently a substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene group, and Q-- has the structure (III): ##STR4## wherein: each R.sup.1 -- is independently t-butyl or a substituted aryl group;

REFERENCES:
patent: 3265506 (1966-08-01), Weissberger et al.
patent: 4157919 (1979-06-01), Lau
patent: 4238564 (1980-12-01), Fryberg
patent: 4241172 (1980-12-01), Okaniwa et al.
patent: 4268591 (1981-05-01), Tschopp
patent: 4824773 (1989-04-01), Sato et al.

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