Patents Assigned to BASF Aktiengesellschaft co-pendency.
  • Carboxylate-containing polymers for metal surface treatment
    Publication number: 20070176149
    Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.
    Type: Application
    Filed: April 3, 2007
    Publication date: August 2, 2007
    Applicant: BASF Aktiengesellschaft co-pendency.
    Inventors: Frank Dietsche, Helmut Witteler, Matthias Kluglein, Frank Klippel