Patents by Inventor Emil D. Sprute

Emil D. Sprute 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: 5597677
    Abstract: A photoimageable element comprising: a substrate; a layer of a photosensitive composition comprising a photosensitive material coated on the substrate; and a protective overcoating comprising an oxygen barrier component and a moisture resistant component; wherein the oxygen barrier component has an oxygen permeability of no greater than about 10.sup.-14 cc(cm)/cm.sup.2 (sec)(Pa).
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: January 28, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Steven L. Kangas, Emil D. Sprute, Dean J. Stych
  • Patent number: 5563023
    Abstract: A photoimageable element comprising: a substrate; a layer of a photosensitive composition comprising a photosensitive material coated on the substrate; and a protective overcoating comprising an oxygen barrier polymeric material and antiblocking particulate material wherein the oxygen barrier component has an oxygen permeability of no greater than about 10.sup.-14 cc(cm)/cm.sup.2 (sec)(Pa).
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: October 8, 1996
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventors: Steven L. Kangas, Emil D. Sprute, Dean J. Stych