Patents by Inventor Willem Caspar Anton van Schooten

Willem Caspar Anton van Schooten 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).

  • Potent antigen presenting cell composition
    Patent number: 6121044
    Abstract: A method of obtaining a blood-cell fraction enriched for potent antigen presenting cells is disclosed. The method includes obtaining a monocyte-depleted lymphocyte fraction, culturing the cell fraction in a serum-free medium for a period sufficient to produce a morphological change in dendritic-precursor cells to cells having the morphology of dendritic cells, harvesting non-adherent cells produced by said culturing, and enriching the portion of dendritic cells in the harvested cells by density centrifugation. Also disclosed is a PAP cell composition containing cells enriched for PAP activity in a collagen matrix.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: September 19, 2000
    Assignee: Dendreon Corporation
    Inventors: Madhusudan Viswanath Peshwa, Willem Caspar Anton van Schooten