Photographic element and process employing active, stable benzot

Details Photographic element and process employing active, stable benzot Photographic element and process employing active, stable benzot

1997-06-12

1999-08-24

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430505, 430554, 430555, 430957, 430549, G03C 108, G03C 726, G03C 732

Patent

active

059423811

ABSTRACT:
A photographic element comprising a silver halide emulsion layer having associated therewith a 1-phenyl-3-anilino-4-benzotriazolyl-5-pyrazolone magenta dye-forming DIR coupler of structure I: ##STR1## wherein: R.sub.1 is hydrogen, chlorine, fluorine or a methyl group;

REFERENCES:
patent: 5411841 (1995-05-01), Singer et al.
patent: 5447830 (1995-09-01), Pawlak et al.
patent: 5462848 (1995-10-01), Merkel et al.
patent: 5605787 (1997-02-01), Pawlak et al.
patent: 5663040 (1997-09-01), Bertoldi et al.
patent: 5677118 (1997-10-01), Spara et al.

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