Patents by Inventor Kristin Anastassiadis

Kristin Anastassiadis 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).

  • Process for the purification of interferon
    Patent number: 4343735
    Abstract: The invention concerns a process for the purification of interferon, where interferon is purified by partitioning interferon in an aqueous multi-phase system in the presence of ion exchangers that are soluble in this system and that are derivatives of polyethers.
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: August 10, 1982
    Assignee: Gesellschaft fur Biotechnologische Forschung mbH (GBF)
    Inventors: Ulrich Menge, Michael Morr, Maria-Regina Kula, Kristin Anastassiadis