Patent ID: 6200741
Filing Date: 2001-03-13
Classification: G03C

Abstract:
A photographic element comprising a support bearing a light-sensitive silver halide emulsion layer in association with an image dye-forming coupler and having associated therewith a compound of general formula ##STR17##whereinR1 is an unsubstituted or substituted alkyl group, aryl group or 5-10 membered heterocyclic ring group containing one or more heteroatoms selected from N, O and S;each R2 is independently selected from hydrogen, halogen, and substituted or unsubstituted alkyl, argl, alkyl- or aryl-sulfamoyl, alkyl- or aryl-sulfonamido, alkyl- or aryl-carbamoyl, alkyl- or aryl-carbonamido, alkenyloxy or 5-10 membered heterocyclic ring group containing one or more heteroatoms selected from N, O and S;each Y is independently selected from the groups consisting of --NHSO2 and --SO2NH; wherein the hydrogen therein has a pKa value of less than 9;n is an integer from 1 to 20;x is an integer from 1 to 6 andwherein the compound of formula (I) is ballasted.