ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,505, issued on Aug. 5, was assigned to TUNAP GMBH & Co. KG (Wolfratshausen, Germany).
"Additive for cleaning SCR systems" was invented by Volker Knothig (Weilheim in Oberbayern, Germany), Alex Lange (Furholzen, Germany) and Sergej Pawlitschek (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the use of a polar solvent as an additive to a solution containing a component that releases ammonia at above 200deg C. for the removal of deposits or impurities in a selective catalytic reduction system, wherein the polar solvent has a boiling point at 101.3 kPa of at least 140deg C. The present disclosure further relates t...