Patents by Inventor Mary M. Daly

Mary M. Daly 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).

  • Chitosan alginate capsules
    Patent number: 4808707
    Abstract: The permeability of the walls of chitosan alginate capsules is adjusted by substituting with esterified alginic acid a portion of the metal alginate normally used in the fabrication of such capsules.
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: February 28, 1989
    Assignee: University of Delaware
    Inventors: Mary M. Daly, Robert W. Keown, Dietrich W. Knorr