ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,665, issued on Jan. 27, was assigned to EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY (Spring, Texas).
"Sinter resistant metal species in zeolites" was invented by Lichen Liu (Valencia, Spain) and Avelino Corma Canos (Valencia, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Medium or large pore synthetic zeolites are provided comprising at least 0.02 wt %, based on the weight of the zeolite, of a catalytic metal selected from the group consisting of Ru, Rh, Pd, Ag, Os, Ir, Pt, Au, Mo, W, Re, Co, Ni, Zn, Cr, Mn, Ce, Ga, Cu and combinations thereof, which is present as catalytic metal particles, wherein at least 60% by number of said catalytic m...