US Patent Issued to BASF Mobile Emissions Catalysts on April 7 for "Particulate filter" (Chinese, German, American Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,515, issued on April 7, was assigned to BASF Mobile Emissions Catalysts LLC (Iselin, N.J.).

"Particulate filter" was invented by Jia Di Zhang (Shanghai), Teng Shen (Shanghai), Jian Li (Shanghai), Wen Ji Song (Shanghai), Tobias Paul (Hannover, Germany), Martin Kalwei (Hannover, Germany), Edgar Viktor Huennekes (Hannover, Germany) and Weiyong Tang (Iselin, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for treating a used particulate filter, comprising: removing particulates from the particulate filter; and introducing simulated ash into inlet channels of the particulate filter after removing the particulat...