Patents by Inventor Michele Susan Renals

Michele Susan Renals 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).

  • Pigment products
    Patent number: 6814796
    Abstract: A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter less than 2 &mgr;m and not less than 8%, preferably not less than 12%, by weight of the particles have an equivalent spherical diameter less than 0.25 &mgr;m and whose particles have a shape factor of at least 45, preferably at least 50.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: November 9, 2004
    Assignee: Imerys Pigments, Inc.
    Inventors: John Claude Husband, Desmond Charles Payton, Michele Susan Renals
  • Pigment products
    Publication number: 20040110885
    Abstract: A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter less than 2 &mgr;m and not less than 8%, preferably not less than 12%, by weight of the particles have an equivalent spherical diameter less than 0.25 &mgr;m and whose particles have a shape factor of at least 45, preferably at least 50.
    Type: Application
    Filed: June 30, 2003
    Publication date: June 10, 2004
    Inventors: John Claude Husband, Desmond Charles Payton, Michele Susan Renals
  • Pigment products
    Patent number: 6616749
    Abstract: A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter less than 2 &mgr;m and not less than 8%, preferably not less than 12%, by weight of the particles have an equivalent spherical diameter less than 0.25 &mgr;m and whose particles have a shape factor of at least 45, preferably at least 50.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: September 9, 2003
    Assignee: Imerys Pigments, Inc.
    Inventors: John Claude Husband, Desmond Charles Payton, Michele Susan Renals