Patents Assigned to Brown University Foundation
  • Process for preparing microparticles through phase inversion phenomena
    Patent number: 6143211
    Abstract: A process for preparing nanoparticles and microparticles is provided. The process involves forming a mixture of a polymer and a solvent, wherein the solvent is present in a continuous phase and introducing the mixture into an effective amount of a nonsolvent to cause the spontaneous formation of microparticles.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: November 7, 2000
    Assignee: Brown University Foundation
    Inventors: Edith Mathiowitz, Donald Chickering, III, Yong S. Jong, Jules S. Jacob