Patents Assigned to Hans-Wilhelm Doerr
  • Cultivation of mammalian cells in a protein-free medium on a polyvinylformal and/or polyvinyl butyral surface
    Patent number: 5393668
    Abstract: Preferably, the cells are adherent cells such as Vero cells and the cells are cultivated as a continuous monolayer. The cells may be transfected with a gene construct which encodes a heterologous protein. Viruses of vaccines can be produced by culturing cells that have been infected with a virus.
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: February 28, 1995
    Assignee: Hans-Wilhelm Doerr
    Inventors: Jaroslaw Cinatl, Jindrich Cinatl