Patents Assigned to SAS Sonderabfallservice GmbH
  • Process for regenerating catalytic converters
    Patent number: 6241826
    Abstract: A process for regenerating catalytic converters includes placing the catalytic converter in motion in a cleaning solution and subjecting it to ultrasonic treatment. Catalytic converters so treatable include those which have ceramic bodies and which catalyze the reduction of nitrogen oxides into molecular nitrogen and which substantially include titanium oxide TiO2, tungsten oxide WO3, and active component vanadium pentoxide V2O5.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: June 5, 2001
    Assignees: SAS Sonderabfallservice GmbH, HEW Hamburgische Electricitats-Werke AB
    Inventors: Eckhard Dittmer, Alexander Schluttig