Patents by Inventor Sue L. Yang

Sue L. Yang 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).

  • Shear stable aminosilicone emulsions
    Publication number: 20030013803
    Abstract: Aqueous emulsions of amino modified siloxanes may be made shear stable by the addition of at least one hydroxy carboxylic acid to the emulsion.
    Type: Application
    Filed: August 22, 2002
    Publication date: January 16, 2003
    Inventors: Kostantinos Spyropoulos, Sue L. Yang, Angelo J. Sabia, Joseph Pavlenyi
  • Shear stable aminosilicone emulsions
    Patent number: 6451905
    Abstract: Shear stable aqueous emulsion of amino modified siloxanes may be made by the addition of a mono acid to the emulsion. These compositions may include acids such as (a) hydroxy carboxylic acids; (b) amino dicarboxylic acids; (c) amic acids; (d) monoesters of dicarboxylic acids; (e) monoesters of di-inorganic acids; and (f) diesters of tri-inorganic acids.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: September 17, 2002
    Assignee: Crompton Corporation
    Inventors: Kostantinos Spyropoulos, Sue L. Yang, Angelo J. Sabia, Joseph Pavlenyi
  • SHEAR STABLE AMINOSILICONE EMULSIONS
    Publication number: 20010047052
    Abstract: Shear stable aqueous emulsion of amino modified siloxanes may be made by the addition of a mono acid to the emulsion. These compositions may include acids such as (a) hydroxy carboxylic acids; (b) amino dicarboxylic acids; (c) amic acids; (d) monoesters of dicarboxylic acids; (e) monoesters of di-inorganic acids; and (f) diesters of tri-inorganic acids.
    Type: Application
    Filed: February 16, 1999
    Publication date: November 29, 2001
    Inventors: KOSTANTINOS SPYROPOULOS, SUE L. YANG, ANGELO J. SABIA, JOSEPH PAVLENYI
  • Foam control agents for silicone surfactants
    Patent number: 6221922
    Abstract: The present invention teaches that low foaming, superspreading compositions may be made the combination of three components (a) a tri or tetra-siloxane alkoxylate; (b) a siloxane polyether copolymer; and (c) a silicone foam control agent which is a tri or tetra siloxane propoxylate.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: April 24, 2001
    Assignee: Crompton Corporation
    Inventors: George A. Policello, Sue L. Yang
  • Method of forming stable dispersions of particulate matter
    Patent number: 5135575
    Abstract: The present invention discloses an improved method for forming stable dispersions of particulate matter. In particular, the present invention relates to a method of forming stable dispersions of particulate matter in both organic and silicone-based fluids.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: August 4, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Sue L. Yang, Errol D. Goddard, Pak S. Leung