Black and white photographic elements containing release compoun

Details Black and white photographic elements containing release compoun Black and white photographic elements containing release compoun

1995-05-31

1996-03-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430544, 430566, 430607, 430955, 430957, 430959, G03C 134, G03C 142, G03C 138, G03C 143

Patent

active

055003389

ABSTRACT:
The invention provides a black and white photographic element comprising a support having situated thereon at least one silver halide emulsion, the element containing a release compound that provides a non-imagewise distribution of a photographically active moiety, wherein the release compound has the structure ##STR1## wherein R.sup.1 is an electron withdrawing moiety;

REFERENCES:
patent: 4886738 (1989-12-01), Deguchi et al.
patent: 4908293 (1990-03-01), Katoh et al.
patent: 4948714 (1990-08-01), Long et al.
patent: 5008181 (1991-04-01), Ikegawa et al.
patent: 5116717 (1992-05-01), Matsushita et al.
patent: 5283162 (1994-02-01), Kapp et al.
patent: 5354650 (1994-10-01), Southby et al.
U.S. Patent Application 08/250,148 (Docket 68,568PCC).
U.S. Patent Application 08/250,748 (Docket 68,749PCCC).
U.S. Patent Application 08/250,189 (Docket 68,751PC).

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