ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,756, issued on Jan. 13.
"Protective coating" was invented by Shailendra Vikram Singh (London), Gianfranco Aresta (London), Andrew Simon Hall Brooks (London), Siobhan Marie Woollard (London) and Gareth Hennighan (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for depositing a protective coating onto a substrate, wherein the protective coating comprises (i) a moisture-barrier layer which is in contact with the substrate and which comprises a first sub-layer, optionally one or more intermediate sub-layers, and a final sub-layer, (ii) a mechanical-protective layer which is inorganic, and (iii) a gradient layer interposing the moisture-ba...