Patents Examined by Amelia B. Yarborough
  • Patent number: 4170611
    Abstract: A process for preparing bonding agents for light-colored weatherproof wood materials, based on alkali-condensed phenol-formaldehyde mixed condensates.
    Type: Grant
    Filed: January 5, 1977
    Date of Patent: October 9, 1979
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Friedrich Josten, Martin Cherubim, Rainer Striso