Patents by Inventor Joelle Hirn

Joelle Hirn 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).

  • Products for separation applicable to cells in the immunopurification field
    Patent number: 5246829
    Abstract: The invention relates to a product to permit separation of cells in the domain of immunopurification and consisting of a finely divided carrier of a density lower than that of the medium from which such cells must be extracted, such carrier being covered with macromolecules capable of being specifically fixed to the cells to be extracted to which a priviliged orientation was given to enable fixation of such macromolecules.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: September 21, 1993
    Assignee: Immunotech
    Inventors: Michel Delaage, Jean-Louis Drocourt, Joelle Hirn, Andreas van Agthoven
  • Products for separation applicable to cells in the immunopurification field
    Patent number: 5116724
    Abstract: The invention relates to a product to permit separation of cells in the domain of immunopurification and consisting of a finely divided carrier of a density lower than that of the medium from which such cells must be extracted, such carrier being covered with macromolecules capable of being specifically fixed to the cells to be extracted to which a privileged orientation was given to enable fixation of such macromolecules.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: May 26, 1992
    Assignee: Immunotech
    Inventors: Michel Delaage, Jean-Louis Drocourt, Joelle Hirn, Andreas van Agthoven