Patents by Inventor Alexandr Stakhev

Alexandr Stakhev 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).

  • Process and catalyst system for SCR of NO
    Patent number: 8062617
    Abstract: Process for reducing nitrogen oxides to nitrogen in an exhaust gas comprising passing the exhaust gas in the presence of a reducing agent through a catalyst system comprising at least two catalyst beds, in which a first catalyst bed is an iron-beta-zeolite and a second catalyst bed downstream is silver supported on alumina.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: November 22, 2011
    Assignee: Haldor Topsøe A/S
    Inventors: Alexandr Stakhev, Søren Dahl, Ioannis Gekas, Pär L. T. Gabrielsson
  • PROCESS AND CATALYST SYSTEM FOR SCR OF NOx
    Publication number: 20110070134
    Abstract: Process for reducing nitrogen oxides to nitrogen in an exhaust gas comprising passing the exhaust gas in the presence of a reducing agent through a catalyst system comprising at least two catalyst beds, in which a first catalyst bed is an iron-beta-zeolite and a second catalyst bed downstream is silver supported on alumina.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 24, 2011
    Inventors: ALEXANDR STAKHEV, SØREN DAHL, IOANNIS GEKAS, PÄR L.T. GABRIELSSON