Patents Assigned to Th. Goldschmidt AGH
  • Innovative siloxane block copolymers with rigid spacers and their use
    Patent number: 6414175
    Abstract: The invention relates to block copolymers of the general average formula with siloxane blocks which are linked via rigid spacers, and to their use as surface-active agents.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: July 2, 2002
    Assignee: Th. Goldschmidt AGH
    Inventors: Georg Burkhart, Rolf-Dieter Langenhagen, Andreas Weier