Patents by Inventor Michael K. Coil

Michael K. Coil 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: 4190447
    Abstract: A cover sheet for an integral imaging receiver element comprises a support, a neutralizing layer, at least one timing layer and an alkali permeable hydrophilic layer. The cover sheet may also contain a second alkali permeable layer coated over the alkali permeable hydrophilic layer to promote adhesion of the cover sheet to the other components of the film unit. The photographic film units containing the cover sheets are substantially free from dark spot imperfections and are resistant to delamination of the unit.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: February 26, 1980
    Assignee: Eastman Kodak Company
    Inventors: Michael K. Coil, Robert A. Sylvester