Patents by Inventor Donald CARRELL

Donald CARRELL 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).

  • Biodegradable polystyrene composites and use thereof
    Patent number: 11414241
    Abstract: Disclosed herein are biodegradable resinous composite and extruded sheets comprising polystyrene and a thermoplastic amorphous starch and use thereof.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: August 16, 2022
    Assignee: Kwik Lok Corporation
    Inventors: Donald Carrell, Donald R. Allen
  • BIODEGRADABLE POLYSTYRENE COMPOSITES AND USE THEREOF
    Publication number: 20200115111
    Abstract: Disclosed herein are biodegradable resinous composite and extruded sheets comprising polystyrene and a thermoplastic amorphous starch and use thereof.
    Type: Application
    Filed: April 6, 2018
    Publication date: April 16, 2020
    Inventors: Donald CARRELL, Donald R. ALLEN