chemicals, namely; monomers, polymers, compounds and compositions containing phosphs-lipids, phosphoryl cholyne or analogs thereof, all for use in the relation to and in conjunction with medical and pharmaceutical preparations, and optical and surgical apparatus and instruments

HYDROGEL CARRIERS FOR CONTAINING MEDICINAL AGENTS AND PLACED IN THE BODY OR ON THE SKIN TO PROVIDE TIMED RELEASE OF THE MEDICINAL AGENT; HYDROGELS FOR USE IN THE MANUFACTURE OF PHARMACEUTICAL AND MEDICINAL PRODUCTS; POLYMERIC PHOSPHO-LIPID BASED PREPARATIONS AND SUBSTANCES WITHOUT MEDICINAL AGENTS OR AS AN EXCIPIENT OR VEHICLE FOR CONTAINING MEDICINAL AGENTS FOR TOPICAL APPLICATION OR FOR APPLICATION TO THE EYE