Patents Examined by V. Sarofim
  • Polyvinyl acetate/allyl alcohol copolymers
    Patent number: 4939221
    Abstract: Polyvinyl acetate/allyl alcohol copolymers uniformly dispersible in or miscible with polyether and polyester polyols and useful in preparing urethane foams.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: July 3, 1990
    Assignee: BASF Corporation
    Inventors: Steven D. Gagnon, Gregory T. Roginski, Eric J. Lind