Patents by Inventor Peter S. K. Leung

Peter S. K. Leung 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).

  • Bulked extensible weft yarn suitable for use as tire cords
    Patent number: 4416935
    Abstract: A bulked extensible yarn of entangled convoluted undrawn synthetic continuous nylon filaments having a plurality of crunodal filament loops randomly spaced along its surface and a greige break elongation of at least 150% performs effectively as an extensible weft yarn in tire cord fabrics for single ply radial tires.
    Type: Grant
    Filed: December 11, 1981
    Date of Patent: November 22, 1983
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventors: Laurence N. Bascom, Peter S. K. Leung