Patents by Inventor John Franeiscus Zevenbergen

John Franeiscus Zevenbergen 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).

  • LOW-SMOKE PYROTECHNIC COMPOSITION FOR PRODUCING COLORED FLAMES
    Publication number: 20100024932
    Abstract: The present invention provides a chlorine-containing pyrotechnic composition which is substantially free of per-chlorate which composition comprises a nitrocellulose which is derived from a fibrous nitrocellulose starting material that has at least partially been dissolved during the process of preparing the pyrotechnic composition, and a colorant. The invention further provides a firework article comprising said pyrotechnic composition, and a method for preparing the same.
    Type: Application
    Filed: October 9, 2009
    Publication date: February 4, 2010
    Inventors: Rutger WEBB, Martijn Zebregs, John Franeiscus Zevenbergen, Murk Pieter Van Rooijen