Patents by Inventor Gregory Hsu

Gregory Hsu 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).

  • Liquid detergent with polyanionic ammonium surfactant and a high pKa solid inorganic base
    Patent number: 6969700
    Abstract: A liquid laundry detergent composition comprising from about 0.1% to about 80%, by weight of the composition, of a polyanionic ammonium surfactant; a substantially non-aqueous carrier; and a solid inorganic base having pKa equal to or greater than 10.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: November 29, 2005
    Assignee: Unilever Home & Personal Care, USA Division of Conopco, Inc
    Inventors: Gregory Hsu, Guanglin Sun, Feng-Lung Gordon Hsu
  • Solid laundry detergent granules with polyanionic ammonium surfactant and non-aqueous binder
    Publication number: 20050197274
    Abstract: Solid laundry detergent comprising polyanionic ammonium surfactant granules, the granules comprising a substantially non-aqueous binder, which in turn comprises a polyanionic ammonium surfactant and a solubilizer for the surfactant. A process for preparing the binder and the granules is also described.
    Type: Application
    Filed: March 3, 2004
    Publication date: September 8, 2005
    Inventors: Gregory Hsu, Guanglin Sun, Feng-Lung Hsu
  • Solid laundry detergents with polyanionic ammonium surfactant
    Publication number: 20050197275
    Abstract: A solid laundry detergent composition comprising a polyanionic ammonium surfactant; a solid acid, and an ingredient selected from carbonate, bicarbonate and/or percarbonate. The inventive granules effervesce upon contact with water, facilitating dispersion/solubilization of the polyanionic ammonium surfactant in the laundry wash solution.
    Type: Application
    Filed: March 3, 2004
    Publication date: September 8, 2005
    Inventors: Gregory Hsu, Guanglin Sun, Feng-Lung Hsu
  • LIQUID DETERGENT WITH POLYANIONIC AMMONIUM SURFACTANT AND A HIGH PKA SOLID INORGANIC BASE
    Publication number: 20050181965
    Abstract: A liquid laundry detergent composition comprising from about 0.1% to about 80%, by weight of the composition, of a polyanionic ammonium surfactant; a substantially non-aqueous carrier; and a solid inorganic base having pKa equal to or greater than 10.
    Type: Application
    Filed: February 12, 2004
    Publication date: August 18, 2005
    Inventors: Gregory Hsu, Guanglin Sun, Feng-Lung Hsu