Patents Assigned to BASFD Catalysts LLC
  • Patent number: 7229597
    Abstract: Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia. Also provided is a method for disposing an SCR catalyst composition on a wall flow monolith that provides adequate catalyst loading, but does not result in unsuitable back pressures in the exhaust.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: June 12, 2007
    Assignee: BASFD Catalysts LLC
    Inventors: Joseph Allan Patchett, Joseph Charles Dettling, Elizabeth Alina Przybylski