Patents Examined by Bejamin P Blumel
  • Preservation of bioactive materials by freeze dried foam
    Patent number: 8343518
    Abstract: This invention provides methods and compositions to preserve bioactive materials in a dried foam matrix. Methods provide non-boiling foam generation and penetration of preservative agents at temperatures near the phase transition temperature of the membranes.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: January 1, 2013
    Assignee: MedImmune, LLC
    Inventor: Vu Truong-Le