Patents Examined by Vasu S. Jaqannathan
  • Thermoplastic moulding compositions based on polyvinyl chloride and a poly-.alpha.-olefine/polyurethane block copolymer
    Patent number: 4940755
    Abstract: This invention relates to thermoplastic moulding compositions of PVC and poly-.alpha.-olefine/polyurethane block copolymers and poly-(C.sub.2 -C.sub.10 -.alpha.-olefines) which have been functionalized in relation to isocyanate groups, preferably polypropylene, di- or higher poly-isocyanates or isocyanate prepolymers and optionally relatively high molecular weight polyols and/or low molecular weight chain lengthening agents.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: July 10, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Meier, Maria Gartner, Kurt P. Meurer, Joachim Franke, Christian Lindner