ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,465, issued on July 8, was assigned to KUWAIT UNIVERSITY (Safat, Kuwait).

"Method for preparing nitrogen/sulfur-doped activated carbon" was invented by Saad Makhseed (Safat, Kuwait) and Mohamed H. Alkordi (Safat, Kuwait).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a nitrogen/sulfur-rich activated carbon, of exceptionally high surface area and microporous nature, the method comprising: preparing an aromatic oligomer including a heteroatom using an oxidative polymerization solution, wherein the oxidative polymerization solution comprises a first oxidizer and an organic solvent; mixing the oligomer with an activating agent to ob...