Patents Assigned to Souzer Chemtech GmbH
  • Patent number: 8256626
    Abstract: A composite membrane is provided for the separation of water with at least one separation layer of cross-linked polyvinyl alcohol, with the separation layer being subjected in a separate process step to a post-crosslinking operation with an acid or an acid-releasing compound and at least one dialdehyde.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: September 4, 2012
    Assignee: Souzer Chemtech GmbH
    Inventors: Andreas Hübner, Elena Gonzalez Diaz, Michael Frania