Title:
A cathodic protection method on the surface of chromium
Document Type and Number:
Japanese Patent JP6058215
Kind Code:
B2
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.
Inventors:
Christina Pufilman
Philip Hartman
Philip Wachter
Stephan cretumer
Philip Hartman
Philip Wachter
Stephan cretumer
Application Number:
JP2016515996A
Publication Date:
January 11, 2017
Filing Date:
June 17, 2014
Export Citation:
Assignee:
Atotech Deutschland GmbH
International Classes:
C25D9/02; C25D5/48
Domestic Patent References:
| JP2012506488A | ||||
| JP2012508821A | ||||
| JP61014268A | ||||
| JP6506263A |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
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