U.S. federal trademark · Serial No. 74731290
multi-compartment drug delivery system for further use by others comprised of an environmental responsive polymer in an aqueous media in one compartment, a moving partition and a substnce of interest in second compartment which system responds to an environmental stimulus to extrude the substance as the polymer swells
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.