Patents by Inventor Kostantinos Spyropoulos

Kostantinos Spyropoulos 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