Patents by Inventor Neil T. McMannus

Neil T. McMannus 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).

  • Amine modified hydrogenation of nitrile rubber
    Patent number: 5075388
    Abstract: An improved process is provided for the hydrogenation of nitrile rubber wherein the molecular weight increase during the hydrogenation process is minimized and controlled, the improvement being that the hydrogenation is undertaken in the presence in the solution of an NH.sub.2 -containing compound selected from ammonia and a C.sub.1 to C.sub.20 primary amine.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: December 24, 1991
    Inventors: Garry L. Rempel, Neil T. McMannus