Patent ID: 6306567
Filing Date: 2001-10-23
Classification: C09B,G03C

Abstract:
A photographic element comprising at least one light sensitive layer and at least one light insensitive layer and containing a dye of the Formula: ##STR17##wherein X is oxygen or sulftir; R.sup.1 -R.sup.4 each independently represent a hydrogen atom or an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group, other than a phenyl group subsitituted with a hydroxyl group, or an unsubstituted or substituted heteroazyl group; L.sup.1, L.sup.2 and L.sup.3 each represents an unsubstituted methine group; M.sup.+ represents a proton or an inorganic or organic cation; and n is 0, 1, 2 or 3; and wherein the dye is in aggregated form and in aggregated form in an aqueous hydrophilic colloid medium has an absorption halfbandwidth of less than 55 mn.