Patents Assigned to Topvin Oy
  • Method of preparing a homo-or copolymer of vinyl chloride containing .alpha .
    Patent number: 5780564
    Abstract: The invention relates to a homo- or copolymer of vinyl chloride. The polymer contains 0.01-50% of an oligomer of a C.sub.4 -C.sub.20 .alpha.-olefin or of an internal olefin or of their mixtures.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: July 14, 1998
    Assignee: Topvin Oy
    Inventor: Hannu Harjuhahto