EP2826890A1 — Method for cathodic corrosion protection of chromium surfaces
Assigned to Atotech Deutschland GmbH and Co KG · Expires 2015-01-21 · 11y expired
What this patent protects
The present invention concerns a method for cathodic corrosion protection of a substrate having a chromium surface and at least one intermediate layer between the substrate and the chromium surface, selected from the group comprising nickel, nickel alloys, copper and copper alloy…
USPTO Abstract
The present invention concerns a method for cathodic corrosion protection of a substrate having a chromium surface and at least one intermediate layer between the substrate and the chromium surface, selected from the group comprising nickel, nickel alloys, copper and copper alloys and wherein said chromium surface is contacted with an aqueous solution comprising at least one phosphonate compound while passing an electrical current through said substrate, at least one anode and the aqueous solution wherein said substrate serves as the cathode.
Drugs covered by this patent
- Slynd (DROSPIRENONE) · Exeltis Usa Inc
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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