ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,020, issued on Feb. 10, was assigned to MacDermid Inc. (Waterbury, Conn.).
"Electroplating bath for depositing chromium or chromium alloy and process for depositing chromium or chromium alloy" was invented by Yoann Coll (Clichy, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electroplating bath for depositing chromium or chromium alloys from a trivalent chromium bath that includes: (1) at least one trivalent chromium ion, (2) at least one complexing agent, (3) at least one halogen salt, and (4) at least one stabilizing agent which is different from the complexing agent, wherein the electroplating bath has a pH from 4 to 7 and is substantia...