Patents by Inventor Zarng-Arh George Wu

Zarng-Arh George Wu 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).

  • Process for providing durable images on a printed medium
    Patent number: 5764262
    Abstract: A durable image is formed by printing a pigmented aqueous ink onto a substrate bearing a hydrophilic thermoplastic polymer having cross-linking groups, then heating the printed image to encapsulate the pigment and cross-link the polymer.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: June 9, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Zarng-Arh George Wu, Robert Paul Held, Jon Gregory Moehlmann