The USPTO issued Patent No. US12590256B2 to Saudi Arabian Oil Company for corrosion inhibitor formulations comprising pyridinium and hydroxy substituents. The patent covers compounds, methods of making them, formulations, and processes for inhibiting corrosion on metallic surfaces. The patent was granted with 6 claims under CPC classification C07D 213/04, with an application number of 18318960 filed on May 17, 2023.

This is a routine patent grant notification with no regulatory compliance obligations. No action is required by regulated entities. The patent grants exclusive intellectual property rights to Saudi Aramco for the specified corrosion inhibitor technology. Parties interested in licensing the technology or developing alternative formulations should consult the full patent document for specific claim language and scope.