Photographic elements containing cyan dye-forming coupler having

Details Photographic elements containing cyan dye-forming coupler having Photographic elements containing cyan dye-forming coupler having

1996-08-20

1997-11-11

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430552, 430385, G03C 108, G03C 726, G03C 732

Patent

active

056862350

ABSTRACT:
A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith a cyan dye forming coupler having Formula (I): ##STR1## wherein R.sub.1 represents hydrogen or an alkyl group;

REFERENCES:
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patent: 4775616 (1988-10-01), Kilminster et al.
patent: 4849328 (1989-07-01), Hoke et al.
patent: 5008180 (1991-04-01), Merkel et al.
patent: 5045442 (1991-09-01), Hoke
patent: 5183729 (1993-02-01), Naito et al.
patent: 5378596 (1995-01-01), Naruse et al.

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