Patents by Inventor Thor Borresen

Thor Borresen 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).

  • Process for producing good adherence between a metal and polysulphide material and articles produced thereby
    Patent number: 4138526
    Abstract: A process for producing a strong and water-resistant bond between aluminum or an aluminum-based alloy and a polysulphide material by means of a primer which is applied to the metal, characterized in that the primer is a solution of a strongly basic alkali metal compound such as alkali metal hydroxides, phosphates and carbonates. The present invention also includes articles treated by the aforementioned process.
    Type: Grant
    Filed: December 21, 1976
    Date of Patent: February 6, 1979
    Assignee: Thor Borresen
    Inventors: Thor Borresen, Niels U. Harder