Patent 10525412 was granted and assigned to Johnson Matthey on January, 2020 by the United States Patent and Trademark Office.
A catalytic material for treating an exhaust gas produced by a natural gas engine, which catalytic material comprises a molecular sieve and a platinum group metal (PGM) supported on the molecular sieve, wherein the molecular sieve has a framework comprising silicon, oxygen and optionally germanium, and has a content of heteroatom T-atoms is ≤about 0.20 mol %.