Patents by Inventor Volker Gawantka

Volker Gawantka 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).

  • Fibrinogen purification
    Patent number: 7550567
    Abstract: The present invention relates to a process for purifying fibrinogen, which comprises one or more process steps in which one or more contaminating proteins are depleted by negative chromatography and/or negative adsorption using cation exchanger, hydrophobic gel and/or dye gel. In addition, the invention relates to the fibrinogen which is obtained by the process of the invention and which is notable for improved stability, and to the production and use of pharmaceutical preparations comprising this fibrinogen.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: June 23, 2009
    Assignee: CSL Behring GmbH
    Inventors: Hubert Metzner, Uwe Liebing, Annette Feussner, Joerg Lemmer, Stefan Schulte, Volker Gawantka
  • Storage-stable, liquid fibrinogen formulation
    Patent number: 7045601
    Abstract: The present invention relates to a novel storage-stable formulation for fibrinogen in liquid or viscous liquid form comprising divalent metal ions. The fibrinogen formulation may comprise other conventional formulation ingredients and particularly preferably comprises a complexing agent. The invention further relates to the production and use of the fibrinogen formulation of the invention.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: May 16, 2006
    Assignee: ZLB BEHRING GmbH
    Inventors: Hubert Metzner, Uwe Liebing, Gerhardt Kumpe, Stefan Schulte, Volker Gawantka, Karlheinz Enssle
  • Fibrinogen purification
    Publication number: 20050197493
    Abstract: The present invention relates to a process for purifying fibrinogen, which comprises one or more process steps in which one or more contaminating proteins are depleted by negative chromatography and/or negative adsorption using cation exchanger, hydrophobic gel and/or dye gel. In addition, the invention relates to the fibrinogen which is obtained by the process of the invention and which is notable for improved stability, and to the production and use of pharmaceutical preparations comprising this fibrinogen.
    Type: Application
    Filed: February 23, 2005
    Publication date: September 8, 2005
    Inventors: Hubert Metzner, Uwe Liebing, Annette Feussner, Joerg Lemmer, Stefan Schulte, Volker Gawantka
  • Storage-stable, liquid fibrinogen formulation
    Publication number: 20050080009
    Abstract: The present invention relates to a novel storage-stable formulation for fibrinogen in liquid or viscous liquid form comprising divalent metal ions. The fibrinogen formulation may comprise other conventional formulation ingredients and particularly preferably comprises a complexing agent. The invention further relates to the production and use of the fibrinogen formulation of the invention.
    Type: Application
    Filed: August 8, 2003
    Publication date: April 14, 2005
    Inventors: Hubert Metzner, Uwe Liebing, Gerhardt Kumpe, Stefan Schulte, Volker Gawantka, Karlheinz Enssle