Patents by Inventor James G. Lertola

James G. Lertola 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).

  • Water repellent aramids
    Patent number: 5310824
    Abstract: A process is disclosed for rendering shaped aramid and polybenzimidazole articles water repellent by grafting fluorinated compounds to the surface of the articles. The resulting grafted polymer and shaped articles made from the grafted polymer are also disclosed.
    Type: Grant
    Filed: December 3, 1991
    Date of Patent: May 10, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert R. Burch, David P. Higley, James G. Lertola