Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties

Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties

Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer and, having associated with that layer a 1H-pyrazolo[1,5-b]-1,2,4-triazole dye forming coupler having a fully substituted carbon atom at the 6-position, a chloro group at the 7-position, and, at the 2-posit...

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Hauptverfasser: Romanet, Robert F, Coms, Frank D, Fischer, Susan M
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creator Romanet, Robert F
Coms, Frank D
Fischer, Susan M
description Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer and, having associated with that layer a 1H-pyrazolo[1,5-b]-1,2,4-triazole dye forming coupler having a fully substituted carbon atom at the 6-position, a chloro group at the 7-position, and, at the 2-position, a phenyl ring substituted in the meta position with a carbonamido substituent containing an α-sulfone moiety. Photographic elements containing these couplers exhibit desirable bleach-fix and activity characteristics.
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title Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties
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