. . "lectrochromic polyaniline, (c) particles comprising electrochromic material at least partially coated with an electrically conductive material, e.g. polyaniline coated with ITO, (d) particles of electrically conductive electrochromic material, e.g. polyaniline, or (e) agglomerations of electrochromic material and electrically conductive material, e.g. agglomerated particles of polyaniline and ITO." . .