US Patent Issued to Oerlikon Surface Solutions, Pfaffikon on March 17 for "Al-Si corrosion protection coatings" (Swiss Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,682, issued on March 17, was assigned to Oerlikon Surface Solutions AG, Pfaffikon (Pfaffikon, Switzerland).

"Al-Si corrosion protection coatings" was invented by Jurgen Ramm (Maienfeld, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a layer system coated on a substrate, the layer system comprising a functional layer and an intermediate layer, the intermediate layer being disposed between the substrate and the functional layer, the functional layer comprising both the elements aluminum and silicon but not necessarily in elemental form, and the functional layer comprising oxygen or nitrogen or both, characterized ...