Patents by Inventor Keun Chang Ryu

Keun Chang Ryu 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).

  • ANTI-SULPHATE REDUCING BACTERIA COMPOSITION COMPRISING 1,2-BENZISOTHIAZOL-3(2H)-ONE, IRGASAN, BENZYL-2-BROMOACETATE, 2,2-DIBROMO-2-CYANOACETAMIDE, AND 2-BROMO-2-NITROPROPAN-1,3-DIOL
    Publication number: 20110159304
    Abstract: Disclosed are a composition for inhibiting a proliferation of sulphate reducing bacteria comprising at least one of 1,2-benzisothiazol-3(2H)-one, irgasan, benzyl-2-bromoacetate, 2,2-dibromo-2-cyanoacetamide, and 2-bromo-2-nitropropan-1,3-diol as effective ingredients; a method for inhibiting the proliferation of sulphate reducing bacteria comprising the step of including a sufficient amount for inhibiting the proliferation of sulphate reducing bacteria of at least one of 1,2-benzisothiazol-3(2H)-one, irgasan, benzyl-2-bromoacetate, 2,2-dibromo-2-cyanoacetamide, and 2-bromo-2-nitropropan-1,3-diol in a corrosion sensitive material or degradation sensitive material; a sheet comprising the composition; and a steel plate to which the composition is applied.
    Type: Application
    Filed: June 2, 2010
    Publication date: June 30, 2011
    Applicant: KOREA GAS CORPORATION
    Inventors: Hong Seok Song, Young Geun Kim, Keun Chang Ryu, Young Min Baek, Young Hyo Chang