Patents by Inventor James S. Elmslie

James S. Elmslie 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).

  • Preparation of hydroxy-terminated poly(3,3-bisazidomethyloxetanes)
    Patent number: 4405762
    Abstract: Polymerizing 3,3-bischloromethyloxetane to yield halomethyl polymer products having hydroxy functionality and a molecular weight between about 500-15,000 followed by reacting such products with metal azide provides poly(azidomethyloxetanes) particularly useful as energetic binders for explosives, gas generators and gun and rocket propellants. Polyhydric initiators are used in the polymerization step.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: September 20, 1983
    Assignee: Hercules Incorporated
    Inventors: Robert A. Earl, James S. Elmslie