Patents Assigned to Rohm and Haas Electroncis Materials LLC
  • Chrome-free methods of etching organic polymers
    Patent number: 8603352
    Abstract: A chrome-free composition of an acidic suspension of manganese compounds and manganese ions are applied to an organic polymer surface to etch the surface. The etched surface is then plated with metal.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: December 10, 2013
    Assignee: Rohm and Haas Electroncis Materials LLC
    Inventors: Wan Zhang-Beglinger, Katharina Weitershaus, Andreas Scheybal, Christos Comninellis