Color photographic element, compounds and process

Details Color photographic element, compounds and process Color photographic element, compounds and process

1990-08-24

1991-06-04

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430557, G03C 736

Patent

active

050213334

ABSTRACT:
A photographic yellow dye-forming coupler is represented by the formula: ##STR1## wherein: R.sup.1 is alkyl of 1 to 4 carbon atoms;

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patent: 4510234 (1985-04-01), Matsuzaka et al.
patent: 4617256 (1986-10-01), Kunitz et al.
patent: 4770983 (1988-09-01), Ogawa et al.
patent: 4770987 (1988-09-01), Takahashi et al.
patent: 4783397 (1988-11-01), Ogawa et al.
patent: 4833070 (1989-05-01), Kunitz et al.

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