Patent ID: 6197490
Filing Date: 2001-03-06
Classification: G03C

Abstract:
A photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a ""NB coupler"" having the formula (I): ##STR26##wherein:the term ""NB coupler"" represents a coupler of formula (I) that forms a dye for which the left bandwidth (LBW) using spin-coating is at least 5 nm less than that of the same dye in solution form;Y is H or a coupling-off group;each Z"" and Z* is an independently selected substituent group where n is 0 to 5 and p is 0 to 2;W.sup.2 represents the atoms necessary to complete a carbocyclic or heterocyclic ring group; andV is a substituent group containing a sulfonamido group;provided that the combined sum of the aliphatic carbon atoms in V, all Z"" and all Z* is at least 8.