Patents by Inventor Gary Churchill Grinnell

Gary Churchill Grinnell 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: 5799978
    Abstract: An improved cover material for hard- and soft-book covers is disclosed. The material comprises a conventional substrate, such as paper, and a coating that comprises an acrylic binder, the binder having a Tg of -10.degree. to 10.degree. C., and a filler system, the filler system comprising (a) about 2.0% to about 7.0% of silica or a silicate; (b) about 28% to about 38% of calcined clay; (c) about 20% to about 27% of titanium dioxide; and (d) about 30% to about 45% of a white filler pigment. The filler system may additionally comprise 3% to 7% of a pigmentary polymeric particulate. The laminate may also additionally comprise a protective top coat coated over the layer of cover material.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: September 1, 1998
    Assignee: Rexam DSI Incorporated
    Inventor: Gary Churchill Grinnell