Patents by Inventor Mark Mortimer

Mark Mortimer 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).

  • Paper coating pigments
    Patent number: 7744688
    Abstract: The present disclosure relates to a coating composition for use in producing a coating on paper and other substrates comprising an aqueous suspension of a particulate pigment together with a binder, wherein the particulate pigment comprises a mixture of: a first pigment component comprising particulate ground calcium carbonate (GCC) having a particle size distribution (psd) steepness factor ranging from about 30 to about 45; and a second pigment component comprising particulate precipitated calcium carbonate (PCC) having a psd steepness factor ranging from about 55 to about 75. The particulate pigment may optionally further include a particulate kaolin clay.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: June 29, 2010
    Assignee: Imerys Pigments, Inc.
    Inventors: David Skuse, Mark Mortimer, Deb Thrale, Rajan R. Iyer, Daniel J. Panfil, Christopher Nutbeem
  • Microporous thermal insulation material
    Publication number: 20070003751
    Abstract: A microporous thermally insulating material comprising 40 to 90 percent by weight aluminium oxide; a zirconium silicate opacifier; and filaments selected from calcium magnesium silicate filaments, polycrystalline alumina filaments, glass filaments and mixtures thereof. The glass filaments have a boron oxide content of less than 1 percent by weight and a combined sodium oxide and potassium oxide content of less than 1 percent by weight.
    Type: Application
    Filed: September 17, 2004
    Publication date: January 4, 2007
    Inventors: Mark Mortimer, Andrew Cawley, Tony Matthews
  • Paper coating pigments
    Publication number: 20060292305
    Abstract: The present disclosure relates to a coating composition for use in producing a coating on paper and other substrates comprising an aqueous suspension of a particulate pigment together with a binder, wherein the particulate pigment comprises a mixture of: a first pigment component comprising particulate ground calcium carbonate (GCC) having a particle size distribution (psd) steepness factor ranging from about 30 to about 45; and a second pigment component comprising particulate precipitated calcium carbonate (PCC) having a psd steepness factor ranging from about 55 to about 75. The particulate pigment may optionally further include a particulate kaolin clay.
    Type: Application
    Filed: December 29, 2003
    Publication date: December 28, 2006
    Inventors: David Skuse, Mark Mortimer, Deb Thrale, Rajan Iyer, Daniel Panfil, Christopher Nutbeem