US Patent Issued to JOHNSON MATTHEY on Aug. 19 for "Preparation of supported metal nanoparticles using polyamine for three-way catalysis application" (Pennsylvania Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,795, issued on Aug. 19, was assigned to JOHNSON MATTHEY PLC (London).

"Preparation of supported metal nanoparticles using polyamine for three-way catalysis application" was invented by Qinghe Zheng (Wayne, Pa.), Jing Lu (Wayne, Pa.) and Michael Howard (Wayne, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyamine and a PGM; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of th...