Patents by Inventor John G. Premo

John G. Premo 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).

  • Method of producing acrylamide from water-in-oil emulsion of acrylonitrile
    Patent number: 4413143
    Abstract: A method of producing acrylamide from acrylonitrile in the presence of a metallic conversion catalyst which comprises contacting a water-in-oil emulsion of acrylonitrile which is contained in the dispersed aqueous phase of the emulsion under conditions whereby a substantial portion of the acrylonitrile is converted to acrylamide which remains in the aqueous phase of the emulsion.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: November 1, 1983
    Assignee: Nalco Chemical Company
    Inventors: Kenneth G. Phillips, John G. Premo