Patents by Inventor Lars H. D. Andersen

Lars H. D. Andersen 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).

  • Method of producing fibreboard
    Patent number: 5618482
    Abstract: A method of producing a fiberboard having improved mechanical properties such as water uptake (swelling), tensile strength perpendicular to the surface (IB), modulus of elasticity (MOE), and modulus of rupture (MOR) of the resulting fiberboard. The method includes providing a slurry of lignin-containing wood fiber material, adding a phenol oxidizing enzyme system, forming a mat of the wood fiber material, and pressing the formed mat by applying heat and pressure.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: April 8, 1997
    Assignee: Novo Nordisk A/S
    Inventors: Tine Olesen, Lars S. Pedersen, Lars H. D. Andersen