Patents by Inventor Demetrios P. Papahadjopoulous

Demetrios P. Papahadjopoulous 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).

  • Method for producing liposomes in selected size range
    Patent number: 4529561
    Abstract: Liposomes of uniform size are produced by forming liposomes in relatively random sizes, and extruding the liposomes under pressure through a uniform-pore-size membrane to force at least some of the liposomes into smaller sizes. Extrusion may be repeated to increase uniformity of the liposomes. The liposomes may contain an encapsulated drug.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: July 16, 1985
    Assignee: The Regents of the University of California
    Inventors: C. Anthony Hunt, Demetrios P. Papahadjopoulous