US Patent Issued to Birchwood Laboratories on Dec. 16 for "Methods and compositions for forming magnetite coatings on ferrous metals" (Minnesota Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,684, issued on Dec. 16, was assigned to Birchwood Laboratories LLC (Eden Prairie, Minn.).

"Methods and compositions for forming magnetite coatings on ferrous metals" was invented by Zach D. Johnson (Saint Louis Park, Minn.) and Ross Eric Haugberg (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to methods and compositions for coating ferrous metal substrates. In an embodiment, the invention includes a composition for forming a magnetite coating on a ferrous metal substrate. The composition comprising an aqueous oxidizing solution. The aqueous oxidizing solution comprising an alkali metal hydroxide, an alkanol...