An electrostatic latent image-developing toner which comprises toner particles made of a binder resin and a coloring agent and functional minute particles to be attached to or fixed on the surface of toner particles for the purpose of imparting various functions expected of the electrostatic latent image-developing...http://www.google.com.au/patents/US5219694?utm_source=gb-gplus-sharePatent US5219694 - Toner for developing electrostatic latent image