Patent ID: 7527904

Claim:
An imaging member comprising a charge generating layer, wherein the charge generating layer comprises a porphine additive selected from the group consisting of: meso-Tetraphenylporphine-4,4′,4″,4′″-tetracarboxylic acid; Phytochlorin; 5,10,15,20-Tetraphenyl -21H,23H-porphine; 5,10,15,20-Tetrakis(3-hydroxyphenyl)-21H,23H-porphine; 5,10,15,20-Tetrakis(o-dichlorophenyl)-21H,23H-porphine; 5,10,15,20-Tetrakis(4-trimethylammoniophenyl) porphine tetrachloride; meso-Tetraphenylporphine-4,4′,4″,4″ tetracarboxylic acid, copper(II); 5,10,15,20-Tetrakis(4-sulfonatophenyl)-21H,23H-porphine copper(II); 5,10,15,20-Tetrakis(pentafluorophenyl)-21H,23H-porphine palladium (II); 2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine vanadium (IV) oxide; 3,8,13,18-Tetramethyl-21H,23H-porphine-2,7,12,17-tetrapropionic acid dihydrochloride; 8,13-Divinyl-3,7,12,17-tetramethyl-21H,23H-porphine-2,18-dipropionic acid cobalt(III) chloride; 8,13,-Bis(ethyl)-3,7,12,17-tetramethyl-21H,23H-porphine-2,18-dipropionic acid chromium(III) chloride; 3,7,12,17-Tetramethyl-21H,23H-porphine-2,18-dipropionic acid dihydrochloride; meso-Tetraphenylporphine-4,4′,4″,4′″-tetracarboxylic acid, iron (III) chloride; 8,13-Bis(1-hydroxyethyl)-3,7,12,17-tetramethyl-21H,23H-porphine-2,18-dipropionic acid; 5,10,15,20-Tetrakis(4-sulfonatophenyl)-21H,23H-porphine, manganese (III) chloride; Pyropheophorbide-α-methyl ester; 5,10,15,20-Tetraphenyl-21H,23H-porphine nickel(II); N-Methyl Mesoporphyrin IX; 8,13-Bis(vinyl)-3,7,12,17-tetramethyl-21H,23H-porphine-2,18-dipropionic acid; Uroporphyrin I dihydrochloride; 8,13-Bis(vinyl)-3,7,12,17-tetramethyl-21H,23H-porphine-2,18-dipropionic acid zinc(II); 5,10,15,20-Tetrakis (1-methyl-4-pyridinio)porphine tetra (p-toluenesulfonate); and 8,13-Bis(ethyl)-3,7,12,17-tetramethyl-21H,23H-porphine-2,18-dipropionic acid tin(IV) dichloride.