Color photographic elements containing a combination of pyrazolo

Details Color photographic elements containing a combination of pyrazolo Color photographic elements containing a combination of pyrazolo

1994-05-27

1995-02-07

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430503, 430558, 430387, G03C 146

Patent

active

053875001

ABSTRACT:
A photographic element including a support and at least two green-sensitive silver halide emulsion layers of different sensitivity, each emulsion layer including a two-equivalent pyrazoloazole magenta dye-forming coupler having a structure according to formula I of the disclosure. The activity of the dye-forming coupler present in the layer of lower sensitivity is less than the activity of the dye-forming coupler present in the layer of higher sensitivity.

REFERENCES:
patent: 4390618 (1983-06-01), Kobayashi et al.
patent: 4734357 (1988-03-01), Mihayashi et al.
patent: 4777122 (1988-10-01), Beltramini et al.
patent: 4900655 (1990-02-01), Nakazyo et al.
patent: 4963465 (1990-10-01), Matejec et al.
patent: 5021325 (1991-06-01), Burns et al.
patent: 5066575 (1991-11-01), Sato et al.
patent: 5183728 (1993-02-01), Romanet et al.
Toshibumi et al. Abstract JP 61-72238, "Silver Halide Color Photosensitive Material", (1986).
Abstract JP 2-89053, Fuji Photo Film KK. (1988).

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