Patents Assigned to Wolman GmbH
  • Wood preservatives
    Patent number: 4759872
    Abstract: A wood preservative contains a water-soluble, alkaline copper(II) complex and a water-soluble thiocyanate or iodide and may contain a reducing agent.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: July 26, 1988
    Assignee: Dr. Wolman GmbH
    Inventors: Hans-Norbert Marx, Reimer Goettsche, Wendelin Hettler