ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,287, issued on Dec. 16, was assigned to QATAR UNIVERSITY (Doha, Qatar).

"Self-assembled hierarchical porous Pd@PdPt yolk-shell nanoarchitictonics and hollow PdPt nanocages hydrogen sensors" was invented by Kamel Abdelmoniem Mohamed Eid (Doha, Qatar), Belal Salah Mohammed Hussien (Doha, Qatar), Aboubakr Moustafa Abdullah (Doha, Qatar) and Ahmad Ibrahim Abdelrahman Ayesh (Doha, Qatar).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are hierarchical porous Pd@PdPt yolk-shell nanoarchitectonics and hollow PdPt nanocages hydrogen sensors, methods of producing the hydrogen sensors, and methods of using the sensors to detect H2 under ambient...