Patents by Inventor Peter Padberg

Peter Padberg 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: 4533611
    Abstract: Disclosed is a process for preparing a planographic printing plate by electrophotographic or electrographic means by producing a charge image on a photoconductive or highly insulating layer, developing the image onto the free surface of a dielectric intermediate carrier in contact with the photoconductor or highly insulating layer by means of a developer, which comprises dispersed thermoplastic particles having a melting range from about 90.degree. to 130.degree. C., and transferring and fixing the toner image to the planographic printing plate at a temperature within the melting range of the thermoplastic particles after the intermediate carrier has been separated from the charge image.
    Type: Grant
    Filed: April 26, 1983
    Date of Patent: August 6, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Detlef Winkelmann, Peter Padberg