Patents Examined by John Niebing
  • Process for coating electrically conducting substrates, substrates coated by this process and aqueous electrocoating baths
    Patent number: 5374340
    Abstract: The invention relates to a process for a cathodic electrocoating process, wherein the electrocoating bath contains at least 7.5% by weight of a polyoxyalkylenepolyamine or a mixture consisting of several polyoxyalkylenepolyamines of different chemical structures, the percentage by weight referring to the total amount of binders contained in the electrocoating bath.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: December 20, 1994
    Assignee: BASF Lacke + Farben AG
    Inventors: Gunther Ott, Udo Reiter, Walter Jouck, David J. Santure, Dieter Ruhl