Patents by Inventor Daylan Tyler Sheppard

Daylan Tyler Sheppard 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).

  • POLYURETHANE WASTE BLENDING USING DYNAMIC URETHANE EXCHANGE
    Publication number: 20250162227
    Abstract: Polyurethane waste blending using dynamic urethane exchange and twin-screw extrusion is described. The method may comprise introducing the polyurethane composition into a compounding device, heating the polyurethane composition to an effective bond-exchange temperature, and compounding the polyurethane composition for an effective bond-exchange time where the polyurethane composition comprises two or more network polymers and an effective amount of a polyurethane exchange catalyst permeated within the polyurethan composition.
    Type: Application
    Filed: February 24, 2023
    Publication date: May 22, 2025
    Inventors: William Robert Dichtel, Daylan Tyler Sheppard, Jeremy L. Swartz