Patents by Inventor Albert Walter Alsop

Albert Walter Alsop 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).

  • Process for preparing polyamides
    Patent number: 6069228
    Abstract: Disclosed is a process for the preparation of polyamide polymers via prepolymer formation in a reactor system comprising a reactor, flasher and separator, crystallization of the prepolymer under controlled temperature conditions and the subsequent conversion of these crystallized prepolymers to high molecular weight polymer.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: May 30, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Albert Walter Alsop, Elwood Neal Blanchard, Jeffrey D. Cohen, John Maurice Iwasyk, Clara Young Lin, David Neil Marks, Jan M. Stouffer