Patents by Inventor Sergey Ulyakhin

Sergey Ulyakhin 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).

  • Sulphonate based compound, polymer electrolyte membrane comprising same and fuel cell comprising same
    Patent number: 9136551
    Abstract: The present invention relates to a novel sulfonate-based compound, a method for preparing the same, a polymer electrolyte membrane comprising the sulfonate-based compound, a membrane electrode assembly comprising the same and a fuel cell comprising the same.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: September 15, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Hyejin Kwon, Seong Ho Choi, Min-Jong Lee, Sergey Ulyakhin, Chong Kyu Shin
  • SULPHONATE BASED COMPOUND, POLYMER ELECTROLYTE MEMBRANE COMPRISING SAME AND FUEL CELL COMPRISING SAME
    Publication number: 20140065512
    Abstract: The present invention relates to a novel sulfonate-based compound, a method for preparing the same, a polymer electrolyte membrane comprising the sulfonate-based compound, a membrane electrode assembly comprising the same and a fuel cell comprising the same.
    Type: Application
    Filed: December 3, 2012
    Publication date: March 6, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Hyejin Kwon, Seong Ho Choi, Min-Jong Lee, Sergey Ulyakhin, Chong Kyu Shin