Patents by Inventor Susan Stewart

Susan Stewart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Spray-drying process for the preparation of microparticles
    Patent number: 6451349
    Abstract: Microparticles, obtainable by spray-drying a substantially pure solution of a therapeutic agent, consist essentially of the agent having its therapeutic activity when administered to the lung. In a preferred embodiment the agent is insulin.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: September 17, 2002
    Assignee: Quadrant Healthcare (UK) Limited
    Inventors: Stuart Robinson, Susan Stewart Smith
  • Tool for removing nail polish
    Patent number: D364484
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: November 21, 1995
    Inventors: Susan Stewart, Mary Halliburton