Patents by Inventor Theodorus Vrijsen

Theodorus Vrijsen 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).

  • Phenol resin, use of a phenol resin as well as moulded product formed therefrom
    Patent number: 7935778
    Abstract: The present invention relates to a phenol resin obtained by reacting phenolic compounds with formaldehyde and/or formaldehyde-forming compounds. The present invention furthermore relates to the use of such a phenol resin, as well as to a molded product having a core of solid, inert parts impregnated with such a phenol resin.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: May 3, 2011
    Assignee: Trespa International B.V.
    Inventors: Gerardus Wilhelmus Schuren, Theodorus Vrijsen
  • Phenol resin, use of a phenol resin as well as moulded product formed therefrom
    Publication number: 20060014007
    Abstract: The present invention relates to a phenol resin obtained by reacting phenolic compounds with formaldehyde and/or formaldehyde-forming compounds. The present invention furthermore relates to the use of such a phenol resin, as well as to a moulded product having a core of solid, inert parts impregnated with such a phenol resin.
    Type: Application
    Filed: January 15, 2004
    Publication date: January 19, 2006
    Inventors: Gerardus Schuren, Theodorus Vrijsen