Patents by Inventor Josette C. Seibles

Josette C. Seibles 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).

  • Dry nonelectroscopic toners surface coated with organofunctional substituted fluorocarbon compounds
    Patent number: 4960677
    Abstract: A dry nonelectroscopic toner surface coated with 3 to 40% by weight of an organofunctional substituted fluorocarbon compound. Toners of the invention are useful for developing photosensitive elements having imagewise tacky and complementary nontacky image areas. The surface coating imparts good toning and clean-up characteristics, together with improved performance on aging.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: October 2, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Josette C. Seibles, Howard Matrick