Patents by Inventor Rudolf W. Van der Velden

Rudolf W. Van der Velden 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).

  • Multilayer film structures for use in the production of banknotes or the like
    Patent number: 5935696
    Abstract: A laminated multilayer film substrate for use in the production of banknotes having an oriented polypropylene layer and at least one high density polyethylene layer on each side of the oriented polypropylene layer. The resultant films exhibit good embossability, dead-fold characteristics and other properties, making them highly suited for the production of bank notes and other security documents.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: August 10, 1999
    Assignee: Mobil Oil Corporation
    Inventors: Gordon L. Benoit, Rudolf W. Van der Velden