Patents by Inventor Anne E. Harrington

Anne E. Harrington 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).

  • Demulsification using cationic starches of the quaternary ammonium type
    Patent number: 4088600
    Abstract: Oil-in-water or water-in-oil emulsions can be demulsified with cationic starches of the quaternary ammonium type.
    Type: Grant
    Filed: November 30, 1976
    Date of Patent: May 9, 1978
    Assignee: Chemed Corporation
    Inventors: Thomas R. Tutein, Anne E. Harrington, Jose T. Jacob