ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,495, issued on Sept. 9, was assigned to General Electric Co. (Evendale, Ohio).
"Aluminum slurry coatings and methods of their formation and use" was invented by Lawrence Bernard Kool (Clifton Park, N.Y.) and Mark Alan Rhoads (Cincinnati).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for reducing a concentration of hexavalent chromium within a first aluminum slurry by adding a reducing agent to form a second aluminum slurry are provided. The reducing agent causes a chemical reduction reaction with the hexavalent chromium compound of the first aluminum slurry to form a trivalent chromium compound within the second aluminum slurry such that a ...