Patents by Inventor William Henry Simpson

William Henry Simpson 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).

  • Thermal dye transfer magnetic ID card
    Patent number: 5792725
    Abstract: An identification card comprising a card stock comprising a plastic material having magnetic particles uniformly dispersed throughout, the card stock also having an image-receiving layer located on the outermost surface of at least one side of the card stock, the image-receiving layer comprising a polycarbonate having a Tg of less than about 80.degree. C.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: August 11, 1998
    Assignee: Eastman Kodak Company
    Inventors: William Henry Simpson, Bradford D. West, Mary-Irene Elizabeth Condo
  • Dye-donor element containing elastomeric beads for thermal dye transfer
    Patent number: 5670449
    Abstract: A dye-donor element comprising a support having thereon a dye layer or an overcoat layer thereon which contains crosslinked elastomeric beads having a Tg of 45.degree. C. or less, the elastomeric beads being made from an acrylic polymer, an acrylic copolymer or a styrenic copolymer, the elastomeric beads having from about 5 to about 40% by weight of a crosslinking agent, the beads having a particle size of from about 0.5 to about 20 .mu.m.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: September 23, 1997
    Assignee: Eastman Kodak Company
    Inventors: William Henry Simpson, Jacob John Hastreiter, Jr.
  • Thermal dye transfer dye-donor element with transferable protection overcoat
    Patent number: 5668081
    Abstract: A dye-donor element for thermal dye transfer comprising a support having thereon at least one dye layer area comprising an image dye in a binder and another area comprising a transferable protection layer, the transferable protection layer area being approximately equal in size to the dye layer area, wherein the transferable protection layer comprises eithera) poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl and a crosslinking agent, orb) a phenoxy resin.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: September 16, 1997
    Assignee: Eastman Kodak Company
    Inventors: William Henry Simpson, David P. Brust, Jacob John Hastreiter, Jr., Mary Catherine S. Oldfield