Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1994-04-15
1995-12-12
Baxter, Janet C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430574, 430583, G03C 1035, G03C 116
Patent
active
054748879
ABSTRACT:
A photographic element which has a blue sensitive emulsion with broad blue spectral coverage and yet, good speed and low fog. The element has a blue sensitive silver halide tabular grain emulsion which has a tabularity of at least 25 sensitized with a dye of formula (I) and a dye of formula (II), wherein the formula (I) dye on the emulsion has a peak sensitization of between 400-445 nm and the formula (II) dye on the emulsion has a peak sensitization of between 446-500 nm: ##STR1## wherein: Z.sub.1, Z.sub.2, Z.sub.3 and Z.sub.4 independently represent the atoms necessary to complete a substituted or unsubstituted benzene or naphthylene;
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Dobles Thomas R.
Kim Sang H.
Reed Kenneth J.
Stegman David A.
Baxter Janet C.
Eastman Kodak Company
Stewart Gordon M.
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