Patents by Inventor Richard Roy Marriott Jones

Richard Roy Marriott Jones 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).

  • Removal of adhesive from polyester film with criticality in surfactant use
    Patent number: 5698044
    Abstract: Coating is removed from polyester film which is formed into flakes by use of an alkali stripping solution containing surfactant wherein the surfactant is not optimized in a stripping step to remove redeposited coating but rather is optimized to aid in rinsing based on residual surfactant present on the stripped flake.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: December 16, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William Edward Graham, Richard Roy Marriott Jones