Patents by Inventor David H. ANSTINE

David H. ANSTINE 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).

  • Compositions including blends of hydrophobic and non-hydrophobic inorganic particulate material, for use in covering products
    Patent number: 11414550
    Abstract: A mineral filler composition for use in covering products may include first and second inorganic particulate material fillers having respective first and second average particle sizes, wherein the first average particle size is larger than the second average particle size, and wherein at least one of the first and second inorganic particulate material fillers is hydrophobic. A covering product may include a resin and the mineral filler composition. A method for at least one of improving filler loading and water resistance in a covering product including resin, may include providing the mineral filler composition including blended first and second inorganic particulate material fillers, and adding the blended first and second inorganic particulate material fillers to the resin.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: August 16, 2022
    Assignee: IMERYS USA, INC.
    Inventor: David H. Anstine
  • COMPOSITIONS INCLUDING BLENDS OF HYDROPHOBIC AND NON-HYDROPHOBIC INORGANIC PARTICULATE MATERIAL FOR USE IN COVERING PRODUCTS
    Publication number: 20180340072
    Abstract: A mineral filler composition for use in covering products may include first and second inorganic particulate material fillers having respective first and second average particle sizes, wherein the first average particle size is larger than the second average particle size, and wherein at least one of the first and second inorganic particulate material fillers is hydrophobic. A covering product may include a resin and the mineral filler composition. A method for at least one of improving filler loading and water resistance in a covering product including resin, may include providing the mineral filler composition including blended first and second inorganic particulate material fillers, and adding the blended first and second inorganic particulate material fillers to the resin.
    Type: Application
    Filed: April 25, 2016
    Publication date: November 29, 2018
    Inventor: David H. ANSTINE