Patents by Inventor Stephen Michael Christopher Ritchie

Stephen Michael Christopher Ritchie 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).

  • Porous membrane encapsulated pellet and method for its preparation
    Patent number: 11638904
    Abstract: A method of encapsulating an engineered pellet in a porous membrane is disclosed. The method includes the steps of: (i) dissolving a membrane solute in a membrane solvent to produce a membrane solution; (ii) applying the membrane solution to a pellet to form a pellet encapsulated with the membrane solution; (iii) subjecting the membrane solution that encapsulates the pellet to a phase inversion and; (iv) drying the pellet to form a porous membrane encapsulated pellet. A porous membrane encapsulated pellet is also described.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: May 2, 2023
    Assignees: The University of South Alabama, The Board of Trustees of The University of Alabama
    Inventors: Thomas Grant Glover, Stephen Michael Christopher Ritchie