Patents by Inventor Michel Jaffrin

Michel Jaffrin 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).

  • Bio-artificial ultrafiltration pancreas
    Patent number: 4578191
    Abstract: The bio-artifical pancreas comprises islands of Langerhans contained in a volume defined by two approximately parallel ultrafiltration membranes, able to be formed by two successive portions of the same flat membrane or the same hollow fiber. The surfaces of the membrane opposite the volume occupied by the islands are successively swept by the same blood stream over a length greater by at least one order of size than the distance separating the membranes.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: March 25, 1986
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Michel Jaffrin, Gerard Reach