Patents by Inventor Robert O. Grebert

Robert O. Grebert 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).

  • Composite propellants with a cellulose acetate binder
    Patent number: 3986908
    Abstract: A composite propellant comprises, by weight:A. from 78 to 92% of an oxidizing agent which is at least one of alkali metal, alkaline earth metal and ammonium chlorates and perchlorates,B. from 7.9 to 17.2% of an organic binder which contains oxygen but not nitrogen, andC. from 0.1 to 0.8% of a carbon-containing combustion regulator.This composite propellant is useful as a gas generator for inflatable cushion protection devices because the gaseous combustion products are substantially free from toxic gases.
    Type: Grant
    Filed: June 25, 1973
    Date of Patent: October 19, 1976
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Robert O. Grebert, Jacques Picard, Jean L. Tranchant