Photographic element containing a DIR coupler
AssigneeEastman Kodak Company
InventorsPaul B. Merkel, David A. Steele, Jerrold N. Poslusny
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AssigneeEastman Kodak Company
InventorsPaul B. Merkel, David A. Steele, Jerrold N. Poslusny
Estimating the term…
A photographic element, comprises a support bearing one or more silver halide emulsions and one or more pyrazolone magenta dye-forming DIR couplers of structure I or II: wherein: the R.sub.1 substituents are individually selected from the group consisting of halogen atoms and alkyl, phenyl, alkoxy, phenoxy, carbonamido, sulfonamido, carbamoyl, alkoxycarbonyl, aryloxcarbonyl, and trifluoromethyl groups; n is 1 to 5; R.sub.2 is an alkyl group or a phenyl group; and R.sub.3 is a substituent containing at least 2 carbon atoms and selected from the group consisting of an alkylthio group, an arylthio group, an alkoxy group, an phenoxy group or a carbonamido group of the formula: --NHCOR.sub.4, wherein R.sub.4 is an alkyl group, a phenyl group, an alkoxy group or a phenoxy group.
A photographic element, comprising a support bearing one or more silver halide emulsions and one or more pyrazolone magenta dye-forming DIR couplers of structure I or II:
Dependencies are inferred from the claim text.