Patents by Inventor Barbro Bjorkvall

Barbro Bjorkvall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Chemically modified polyolefin
    Patent number: 4746704
    Abstract: The present invention relates to a chemically modified polyolefin exhibiting good adhesion to metals and other polar substances. The polyolefin has itaconic acid grafted thereto.
    Type: Grant
    Filed: November 18, 1986
    Date of Patent: May 24, 1988
    Assignee: Neste Oy
    Inventors: Christer Bergstrom, Barbro Bjorkvall, Bengt Stenlund, Jouko Huttunen, Carl-Johan Johansson