Patents by Inventor Charles C. Kirkpatrick

Charles C. Kirkpatrick 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).

  • Polymerization of cyclic dihalophosphazene oligomers
    Patent number: 4708858
    Abstract: A catalytic method for polymerizing cyclic dihalophosphazene to linear polydihalophosphazene is provided wherein the catalyst is a solid support of silica or alumina containing supported thereon both a transition metal compound and an organometallic compound.
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: November 24, 1987
    Assignee: The Dow Chemical Company
    Inventor: Charles C. Kirkpatrick