Patents by Inventor Philip S. Ash

Philip S. Ash 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).

  • Patent number: 4448765
    Abstract: Microvesicles are stabilized by the incorporation of a polymer having aliphatic lipophilic groups with a chain of at least six atoms attached to the backbone thereof. Such microvesicles may incorporate a physiologically active substance such as an antigenic material, an anti-inflammatory agent, a hormone, etc.
    Type: Grant
    Filed: July 3, 1979
    Date of Patent: May 15, 1984
    Assignee: National Research Development Corporation
    Inventors: Philip S. Ash, Robert C. Hider