ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,579, issued on Dec. 2, was assigned to PRC-DeSoto International Inc. (Sylmar, Canada).
"Systems and methods for treating a metal substrate" was invented by Eric L. Morris (Murrieta, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a first composition comprising a trivalent chromium cation and an aqueous carrier. Also disclosed herein is a second composition comprising a permanganate anion and an aqueous carrier. Also disclosed herein is a system for treating a metal substrate comprising a first composition comprising a trivalent chromium cation and an aqueous carrier and optionally a second composition comprising a permangana...