Patents by Inventor Philippe R. Ragon

Philippe R. Ragon 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).

  • Unit charges of propellant powder
    Patent number: 4202713
    Abstract: A unit charge of propellant powder, particularly suitable for ammunition for small and medium caliber arms, consisting of grains of nitrocellulose powder agglomerated together by means of a gelatinizing plasticizer for nitrocellulose, which plasticizer is liquid at a temperature of up to 80.degree. C. and is present in an amount not exceeding 7% based on the weight of the nitrocellulose.The charge has virtually the same potential energy as loose nitrocellulose powder and it also fragments and burns instantly, like a loose powder.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: May 13, 1980
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Philippe R. Ragon, Gerard Van Vooren