Patents by Inventor Stuart Borden Fergusson

Stuart Borden Fergusson 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).

  • Separation of the products of polyamide ammonolysis
    Patent number: 6627046
    Abstract: The useful reaction products in an output stream from an ammonolysis reactor are separated in a manner which minimizes the time during which high boiling polyamide intermediate material(s) are in contact with the amine-functional monomer product(s) or with the reactive monomer products in the stream.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: September 30, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Stuart Borden Fergusson, Yuhua Yan