Patents by Inventor Kuslima Shogen

Kuslima Shogen 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: 4882421
    Abstract: Rana pipiens eggs are subjected to fertilization and the embryos are grown to a predetermined stage of development. The embryos and unfertilized eggs are then subjected to mechanical processing in the presence of a weakly acidic buffer to produce an extract. The extract is subjected to ion-exchange chromatography and size-exclusion chromatography.The resulting pharmaceutical has activity against certain cancer cells. A partial amino acid sequence of the pharmaceutical is disclosed.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: November 21, 1989
    Assignee: Alfacell Corporation
    Inventors: Kuslima Shogen, Stanislaw M. Mikulski, Wojciech J. Ardelt