definiens: , as used in this Agreement, shall mean all information, manufacturing techniques, data, designs or concepts ( whether or not such specific i nformation, manufacturing techniques, data, designs, or concepts are or become publicly known or available ) covering : ( a ) the surface modified biodegradable nanoparticles an d methods of making and using same, useful in delivering bioactive material into biological syste ms, developed by MICHIGAN ’S employees Dr. Vinod Labhasetwar, Dr. Robert Levy, and Dr. Cun xian Song, as described in MICHIGAN ’s Technology Management Office File Nos . 800, 800pl, and 938 all entitled and File No . 1019 entitled “ Biodegradable Hydroxy - Terminated Poly ( epsilon - cap rolactone ) – Polyether Multi - Block Biodegradable Co- polymers : Useful Drug Carriers for Biologically Act i ve Agents, ” encompassing U.S