Patents Assigned to Farben, AG
  • Process for the production of a multi-layer finish and a water-borne coating
    Patent number: 5760128
    Abstract: The invention relates to a process for the production of multi-layer finishes in which the base coating contains crosslinked polymer microparticles which are obtainable by(A) reacting a polyester-polyol or a mixture of polyester-polyols with a polyisocyanate or with a mixture of polyisocyanates and(B) when at least 25% of the NCO groups have reacted, dispersing the resulting reaction mixture in water.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: June 2, 1998
    Assignees: BASF Lacke, Farben, AG
    Inventors: Wolfgang Baltus, Jan Berg, Arnold Dobbelstein, deceased