Quintanar-Guerrero, David Impact of patents on preparation of nanoparticles from preformed polymers in the pharmaceutical field. [electronic resource] - Recent patents on drug delivery & formulation Dec 2012 - 183 p. digital Publication Type: Editorial; Introductory Journal Article ISSN: 2212-4039 Standard No.: 10.2174/187221112802652624 doi Subjects--Topical Terms: Drug Delivery SystemsNanoparticlesNanotechnology--methodsPatents as TopicPolymers--chemistry