Disclosed is a carrier and developer composition, and a process for the preparation of carrier particles with substantially stable conductivity parameters which comprises (1) providing carrier cores and a polymer mixture, (2) dry mixing the cores and the polymer mixture, (3) heating the carrier core...http://www.google.de/patents/US5015550?utm_source=gb-gplus-sharePatent US5015550 - Electrophotographic coated carrier particles and methods thereof
