Patents Examined by Lakshmi Channarajjala
  • Processes for spray drying solutions of hydrophobic drugs and compositions thereof
    Patent number: 5985248
    Abstract: Methods for preparing dry powders having hydrophobic and hydrophilic components comprise combining solutions or suspensions of the components and spray drying them simultaneously in a spray drier. Both the hydrophobic and hydrophilic component are dissolved in a solvent system selected to have adequate solubility for both components. The method provides dry powders having relatively uniform characteristics.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: November 16, 1999
    Assignee: Inhale Therapeutic Systems
    Inventors: Marc S. Gordon, John D. Lord