Silver halide photographic elements containing dioxide compunds

Details Silver halide photographic elements containing dioxide compunds Silver halide photographic elements containing dioxide compunds

1996-06-24

1997-12-02

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430600, 430603, 430614, 430615, 548153, 548218, 548259, 5483605, 549 31, 549 33, 549 36, 549 35, 546 82, 546114, 544235, 544255, 544345, 544350, G03C 134, G03C 11015, C07D32704, C07D33902

Patent

active

056934602

ABSTRACT:
This invention provides a silver halide photographic element comprising a silver halide emulsion in reactive association with a dioxide compound represented by the following formula: ##STR1## wherein b is C(O), C(S), C(Se), CH2 or (CH2)2; and R.sup.1 and R.sup.2 are independently H, or aliphatic, aromatic or heterocyclic groups, or R.sup.1 and R.sup.2 together represent the atoms necessary to form a five or six-membered ring or a multiple ring system. This invention further provides a method of making silver halide emulsions containing the dioxide compounds.

REFERENCES:
patent: 5003097 (1991-03-01), Beaucage et al.
patent: 5066573 (1991-11-01), Matushita et al.
patent: 5116723 (1992-05-01), Kajiwara et al.
patent: 5219721 (1993-06-01), Klaus et al.
OPPI Briefs, vol. 24, No. 4, pp. 488-492, 1992.

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