Patents Assigned to CT Co., Ltd.
  • Exhaust gas purifying catalyst and method for purifying exhaust gas
    Patent number: 6893997
    Abstract: An exhaust gas purifying catalyst including a catalyst component containing a refractory inorganic oxide carrying a platinum family metal, a nitrogen oxide adsorbent, and a hydrocarbon adsorbent and a catalyst component for the purification of nitrogen oxide and a method for the purification of an exhaust gas by the use of the catalyst.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: May 17, 2005
    Assignees: CT Co., Ltd., International Catalyst Technology Inc.
    Inventors: Takeshi Matsumoto, Makoto Horiuchi, Tatsuya Yoshikawa