Patents by Inventor Sarah J. Kintner

Sarah J. Kintner 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).

  • Electrographic recording element with reduced humidity sensitivity
    Patent number: 5192613
    Abstract: Electrographic recording element with reduced humidity sensitivity comprising(1) a base, e.g., paper, polymer film,(2) a conductive layer of a continuous coating of an electroconductive composition comprising(a) polymeric binder,(b) electroconductive powder comprising amorphous silica or a silica-containing material in association with a two-dimensional network of antimony-containing tin oxide crystallites in which the antimony content ranges from 1 to about 30% by weight of tin oxide; and(3) a dielectric layer.Mixtures of two or more different sized electroconductive powder particles can be used.The electrographic recording element is useful for recording high-speed computer element, e.g., in geophysical mapping, weather map printing, architectural and engineering drawings, etc.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: March 9, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ray A. Work, III, Clifford E. Milner, Sarah J. Kintner, James E. Genthe, Stephen Strella, Charles R. Iacovella