Patents by Inventor Maria Skog

Maria Skog 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).

  • Paper coated with polylactide and a method for making it
    Patent number: 6153306
    Abstract: The invention relates to a polylactide-coated paper or board product which is made by coextrusion wherein the polylactide is extruded together with a conventional polymer, such as polyolefin, onto the surface of the paper, and after extrusion the polyolefin film is removed and recycled.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: November 28, 2000
    Assignee: Neste Oy
    Inventors: Johan-Fredrik Selin, Maria Skog, Elisa Tuhkanen
  • Polylactide films
    Patent number: 6117928
    Abstract: The invention relates to polylactide films the mechanical properties of which, in particular bursting strength, elongation and tearing strength, have been improved by adding to the polymer certain plasticizers. These plasticizers are preferably glycerol esters.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: September 12, 2000
    Assignee: Neste Oy
    Inventors: Elina Hiltunen, Johan-Fredrik Selin, Maria Skog