Patents by Inventor Francois Ange Pollozec

Francois Ange Pollozec 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).

  • Production of particulate plasticised nitrocellulose
    Patent number: 3948675
    Abstract: A process for the production of plasticised nitrocellulose in the form designated "semi-chips", comprises impregnating nitrocellulose flock while the latter is present in a stirred suspension in water, separating the plasticised nitrocellulose obtained from the suspension, and drying at a temperature not exceeding 60.degree. C.The novel nitrocellulose "semi-chips" and the novel apparatus to carry out the invention are also described.
    Type: Grant
    Filed: July 30, 1973
    Date of Patent: April 6, 1976
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Roger Maurice Rat, Francois Ange Pollozec, Jacques Plazanet