Patents by Inventor Paula J. Konigsberg

Paula J. Konigsberg 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).

  • Liposome targeting using receptor specific ligands
    Patent number: 5258499
    Abstract: Delivery vehicle formulations comprise active agents encapsulated within liposomal vesicles to which are attached protein hormones (ligands) such as interleukin-2. The ligands are capable of showing affinity for specific cell receptors resulting in delivery of the encapsulated active agent to target cells, enabling delivery of active agents to particular cell populations in the treatment of conditions such as immune system disorders.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 2, 1993
    Assignee: Vestar, Inc.
    Inventors: Paula J. Konigsberg, Leroy L. Richer, Paul G. Schmidt, Joseph A. Uliana