Silver halide photographic elements with particular blue sensiti

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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430567, 430581, 430587, G03C 116

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active

055166288

ABSTRACT:
A photographic element with a silver halide emulsion having a maximum sensitivity in the visible region at less than 480 nm and being sensitized by a dye of formula (I): ##STR1## wherein: X.sub.1 and X.sub.2 each independently represent S, Se or O; R.sub.1 and R.sub.2 are, independently, an alkyl group; Z represents an aromatic group or heteroaromatic group that is directly appended to the benzene ring shown or is attached through a linking group provided that the atoms of the linking group are sp.sup.2 hybridized, or Z can be a fused aromatic ring group; the benzene rings shown can be further substituted or unsubstituted, and; A' is one or more ions as needed to balance the charge on the molecule.

REFERENCES:
patent: 4689292 (1987-08-01), Metoki et al.
patent: 4725532 (1988-02-01), Kameoka et al.
patent: 4741995 (1988-05-01), Tani et al.
patent: 4751174 (1988-06-01), Toya
patent: 4830958 (1989-05-01), Okumura et al.
patent: 4942121 (1990-07-01), Kajiwara et al.
patent: 4945038 (1990-07-01), Momoki et al.
patent: 5082765 (1992-01-01), Onodera et al.
patent: 5418126 (1995-05-01), Stegman et al.

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