Patents by Inventor Eva A. Wildi

Eva A. Wildi 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).

  • Patent number: 4935785
    Abstract: Disclosed is a process for fusing an electrophotographic image to a substrate which comprises developing an electrostatic latent image with a toner of one polarity and contacting the developed image with a fuser roll having on the surface thereof an insulating material charged to the same polarity as the toner. In one embodiment of the invention, the surface of the fuser roll comprises an insulating material and the charge is applied with a charging means such as a corotron. In another embodiment of the invention, the surface of the fuser roll comprises a polymeric electret material having embedded therein stable electrical charges of the same polarity as that of the toner. For this second embodiment, the fuser roll may optionally be charged with a charging means.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: June 19, 1990
    Assignee: Xerox Corporation
    Inventors: Eva A. Wildi, Ian D. Morrison