Patents by Inventor Lars Tomasgaard

Lars Tomasgaard 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).

  • Granulated cuprous oxide for antifouling coatings
    Patent number: 6858658
    Abstract: The invention relates to granulated copper oxide containing a binding agent which is resistant to organic solvents, a process of preparing the material and the use thereof. This granulated copper oxide is highly suitable as a biocide in antifouling paints.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: February 22, 2005
    Assignee: Nordox Industrier AS
    Inventors: Lars Tomasgaard, Jarle Ringseth, Anders Bergkvist
  • Granules for biocide use
    Publication number: 20040202724
    Abstract: The invention relates to biocide active materials which are characterized by the external surface of the material being reduced by granulation followed by thermal treatment, a process of preparing the materials and the use thereof. Active material of biocides is fabricated by granulation followed by thermal treatment. The product is characterized by a narrow particle size distribution and an active surface which can be adapted to a desired colour intensity and leaching rate.
    Type: Application
    Filed: May 25, 2004
    Publication date: October 14, 2004
    Inventors: Lars Tomasgaard, Unni Olsbye
  • Granulated cuprous oxide for antifouling coatings
    Publication number: 20040091550
    Abstract: The invention relates to granulated copper oxide containing a binding agent which is resistant to organic solvents, a process of preparing the material and the use thereof. This granulated copper oxide is highly suitable as a biocide in antifouling paints.
    Type: Application
    Filed: November 13, 2002
    Publication date: May 13, 2004
    Inventors: Lars Tomasgaard, Jarle Ringseth, Anders Bergkvist