Patents by Inventor Dagmar Schopohl-König

Dagmar Schopohl-König 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 Fermentative Production of Erythropoietin
    Publication number: 20110189732
    Abstract: The present invention relates to a process for the fermentative continuous production of erythropoietin, where eukaryotic erythropoietin-producing cells are cultured in a perfusion reactor while retaining the cells, the glucose concentration in the culture supernatant being adjusted via the perfusion rate and the cell number via the cell retention rate and/or the outward transferal of defined amounts of cell-containing culture medium from the bioreactor within preset zones.
    Type: Application
    Filed: June 3, 2009
    Publication date: August 4, 2011
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Wolfgang Wienand, Franz-Rudolf Kunz, Dietmar Reichert, Wilfried Eul, Rudolf Hanko, Christian Birr, Monika Singhofer-Wowra, Dagmar Schopohl-König, Lars Faber
  • Method for Purifying Erythropoietin
    Publication number: 20110152506
    Abstract: The present invention relates to a method for preparing erythropoietin, wherein culture supernatant of erythropoietin-producing eukaryotic cells containing erythropoietin are subjected to the following steps: a) Removing the cell components; and b) treating the product from a) to the following chromatography steps in the sequence indicated i) reversed phase chromatography; ii) anion exchange chromatography; iii) hydroxyapatite chromatography.
    Type: Application
    Filed: May 28, 2009
    Publication date: June 23, 2011
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Wolfgang Wienand, Franz-Rudolf Kunz, Dietmar Reichert, Wilfried Eul, Rudolf Hanko, Christian Birr, Monika Singhofer-Wowra, Dagmar Schopohl-König, Lars Faber