Patents by Inventor Walter K. Busfield

Walter K. Busfield 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).

  • Polymer irradiation
    Patent number: 5160464
    Abstract: A process for the preparation of an oriented homo- or co-polyalkene material of improved strain rate sensitivity, which process comprises subjecting the oriented homo- or co-polyalkene material having a weight average molecular weight (M.sub.w).ltoreq.350,000, a number average molecular weight (M.sub.n).gtoreq.5,000, and a 2% secant modulus of at least 10 GPa at a strain rate of 2.times.10.sup.-5 sec.sup.-1 to a high energy irradiation of a dosage of at least 1 Mrad and not more than 60 Mrads at an elevated temperature in vacuo or in an inert or sensitizing atmosphere.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: November 3, 1992
    Assignee: National Research Development Corporation
    Inventors: Ian M. Ward, Denis W. Woods, Walter K. Busfield