Photographic element, pyrazole derived couplers and process

Details Photographic element, pyrazole derived couplers and process Photographic element, pyrazole derived couplers and process

1998-08-14

2000-06-06

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430387, 430955, G03C 106, G03C 726, G03C 732

Patent

active

060716851

ABSTRACT:
Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a 4-H-pyrazolo-[1,5-a] benzimidazole coupler bearing in the 3-position an azole group bonded through a nitrogen atom of the azole and bearing in the 2-position an alkoxy substituent.

REFERENCES:
patent: 4076533 (1978-02-01), Ota et al.
patent: 4241168 (1980-12-01), Ota et al.
patent: 4338393 (1982-07-01), Bailey et al.
patent: 5143821 (1992-09-01), Crawley et al.
patent: 5776669 (1998-07-01), Crawley et al.
patent: 5876912 (1999-03-01), Crawley et al.

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