Photographic element containing a DIR coupler

Details Photographic element containing a DIR coupler Photographic element containing a DIR coupler

1997-03-25

1999-09-28

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430505, 430957, 430555, 430955, G03C 108, G03C 726, G03C 732

Patent

active

059586621

ABSTRACT:
A photographic element, comprises a support bearing one or more silver halide emulsions and one or more pyrazolone magenta dye-forming DIR couplers of structure I or II: wherein:

REFERENCES:
patent: Re29379 (1977-08-01), Shiba et al.
patent: Re31893 (1985-05-01), Sugita et al.
patent: 5091293 (1992-02-01), Nozawa et al.

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