Patents by Inventor George R. Pravato

George R. Pravato 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).

  • Liquid developer compositions
    Patent number: 4822710
    Abstract: Disclosed is an improved liquid developer composition comprised of an oil base comprised of Magiesol, pigment particles, a dispersant, and a thickener component.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: April 18, 1989
    Assignee: Xerox Corporation
    Inventors: Melvin D. Croucher, James M. Duff, John R. C. Fuler, George R. Pravato, Raymond W. Wong
  • Liquid developer compositions with high transfer efficiency
    Patent number: 4764446
    Abstract: Disclosed is a liquid developer composition comprised of an oil base selected from the group consisting of Magiesol and Isopar, pigment particles, a stabilizer, and a surfactant that enables flocculation of the developer components, and efficient wetting of the photoreceptor surface.
    Type: Grant
    Filed: February 12, 1987
    Date of Patent: August 16, 1988
    Assignee: Xerox Corporation
    Inventors: Melvin D. Croucher, George R. Pravato, John R. C. Fuller, James M. Duff