ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,636, issued on April 14.

"Functionalized graphene and methods of use thereof" was invented by Matthew Hummer (Shaker Heights, Ohio) and Gregory J. Hummer (Shaker Heights, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A graphene-based composition is disclosed comprising functionalized graphene powder produced by detonation, plasma synthesis, liquid phase exfoliation, mechanical exfoliation among other graphene production methods known in the art. The graphene powder includes oxygen-containing functional groups such as hydroxyl, epoxy, carbonyl, and carboxyl, with a carbon-to-oxygen atomic ratio ranging from approximately 1.0 to 99.0. The powde...