title: Impact of patents on preparation of nanoparticles from preformed polymers in the pharmaceutical field.
authors: David
authors: D
authors: Quintanar-Guerrero
mesh_terms: D016503:Drug Delivery Systems; D053758:Nanoparticles; D036103:Nanotechnology / Q000379:methods / Q000639:trends*; D010330:Patents as Topic; D011108:Polymers / Q000737:chemistry*
chemical_list: D011108:Polymers