US Patent Issued to Atotech Deutschland on July 7 for "Passivation composition and method for depositing a chromium-comprising passivation layer on a zinc or zinc-nickel coated substrate" (German Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,236, issued on July 7, was assigned to Atotech Deutschland GmbH & Co. KG (Berlin).

"Passivation composition and method for depositing a chromium-comprising passivation layer on a zinc or zinc-nickel coated substrate" was invented by Lukas Bedrnik (Berlin), Sebastian Hahn (Berlin) and Katrin Kruger (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present inventions refers to a passivation composition for depositing a chromium-comprising passivation layer on a zinc or zinc-nickel coated substrate, the composition comprising: (i) trivalent chromium ions, (ii) at least one complexing agent for the trivalent chromium ions, being different from t...