Patent ID: 6638701
Filing Date: 2003-10-28
Classification: G03C

Abstract:
A photographic element comprising a a light sensitive silver halide emulsion layer having associated therewith a pyrazolotriazole dye forming coupler having formula I in which is and L1 is linked to the C atom;L1 is linked to the triazole ring by a carbon atom substituted by one or two alkyl or aryl groups; L2 is a chain of one or two carbon atoms that contains a sulfonyl substituent and that may be further substituted by alkyl or aryl groups; R1 is selected from the group consisting of alkyl groups containing 1-3 carbon atoms; R2 is selected from the group consisting of hydrogen, alkyl and aryl groups; R3 is a substituted carbonyl, carbamoyl, sulfonyl, or sulfamoyl group; and X is H or a coupling-off group.