Patents by Inventor Robert P. Darrow

Robert P. Darrow 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: 4062681
    Abstract: The present invention relates to a hydrophobic overcoat for an electrophotographic element. The overcoat contains a polymeric composition such as a homopolymer, copolymer, or blend thereof and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid or the partial alkyl ester thereof and a relatively large amount of cross-linking agent for said polymeric composition, for example, an imine-terminated cross-linking agent or a melamine-formaldehyde resin.
    Type: Grant
    Filed: March 9, 1973
    Date of Patent: December 13, 1977
    Assignee: Eastman Kodak Company
    Inventors: William C. Lewis, Robert P. Darrow, William E. Yoerger