Patents by Inventor Anthony J. C. Pearson

Anthony J. C. Pearson 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).

  • Repression of polymer formation in the conversion of linear or branched primary diamines to cyclic imines
    Patent number: 4001213
    Abstract: The conversion of linear or branched primary diamines to saturated secondary cyclic amines with the repression of the formation of linear or branched secondary amines, tertiary amines and polymers is carried out in the vapor phase, with a diluent, preferably hydrogen, over a solid catalyst comprising an element selected from the group consisting of nickel, copper, cobalt or iron.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: January 4, 1977
    Assignee: Monsanto Company
    Inventors: Arnold Hershman, Anthony J. C. Pearson