Patents by Inventor Marielle Lorusso

Marielle Lorusso 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).

  • Kaolin products and their use
    Patent number: 7413601
    Abstract: The present invention relates to a particulate kaolin suitable for use as a filler material in compositions for making uncoated paper, the kaolin having a mean particle size ranging from 0.7 ?m to 3 ?m and a shape factor of at least 60. The invention also relates to compositions comprising a particulate kaolin, and methods for making uncoated paper sheets.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: August 19, 2008
    Assignee: Imerys Pigments, Inc.
    Inventor: Marielle Lorusso
  • Kaolin products and their use
    Publication number: 20050126730
    Abstract: The present invention relates to a particulate kaolin suitable for use as a filler material in compositions for making uncoated paper, the kaolin having a mean particle size ranging from 0.7 ?m to 3 ?m and a shape factor of at least 60. The invention also relates to compositions comprising a particulate kaolin, and methods for making uncoated paper sheets.
    Type: Application
    Filed: August 17, 2001
    Publication date: June 16, 2005
    Inventor: Marielle Lorusso