Patents Assigned to BASF Lacke+ Farben Aktengesellschaft
  • Heat-curable coating material having a low baking temperature
    Patent number: 4939216
    Abstract: A heat-curable coating material for cathodic electrocoating is water-dilutable on protonation with an acid and contains(A) from 50 to 95% by weight of a polymer, polycondensate or polyadduct containing primary and/or secondary amino groups, as a binder, and(B) from 5 to 50% by weight of a crosslinking agent obtainable by reacting(a) a polyurethane with(b) formaldehyde or a formaldehyde-donating compound and(c) one or more secondary aliphatic amines.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: July 3, 1990
    Assignee: BASF Lacke+ Farben Aktengesellschaft
    Inventors: Dirk Lawrenz, Hans Schupp, Thomas Schwerzel