Patents Assigned to Prolux Paint Manufacturers (PTY) Limited
  • Air-drying or heat-curable polyurethane coating compositions
    Patent number: 4005041
    Abstract: Air-drying or heat-curable coating compositions are based on allyl ether group-containing isocyanate adducts which are obtained by reacting isophorone diisocyanate with a polyhydroxy compound to give an intermediate containing free isocyanate groups, and then condensing the intermediate with an hydroxyl group-containing allyl ether of an aliphatic diol or polyol.
    Type: Grant
    Filed: June 24, 1975
    Date of Patent: January 25, 1977
    Assignee: Prolux Paint Manufacturers (PTY) Limited
    Inventor: Kenneth Elliot Piggott