Title:
金属表面をニッケル非含有でリン酸塩処理するための改善された方法
Document Type and Number:
Japanese Patent JP7279019
Kind Code:
B2
Abstract:
The present invention relates to a method for substantially nickel-free phosphating of a metallic surface, wherein a metallic surface is treated one after the other with the following compositions:i) with an alkaline, aqueous cleaner composition which comprises at least one water-soluble silicate, andii) with an acidic, aqueous, substantially nickel-free phosphating composition which comprises zinc ions, manganese ions and phosphate ions.The invention also relates to the above cleaner composition itself and also to a metallic surface phosphate-coated by the above method, and to the use of said surface.
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Inventors:
Darrenburg, Olaf
Kolberg, Thomas
Zider, Liza
Kolberg, Thomas
Zider, Liza
Application Number:
JP2020512581A
Publication Date:
May 22, 2023
Filing Date:
August 28, 2018
Export Citation:
Assignee:
Kemetal Gezel Shaft Mitt Beschlenktel Haftung
International Classes:
C23C22/78; C23C22/12; C23C22/18; C23C22/23; C23C22/83; C23C28/00; C23G1/16
Domestic Patent References:
| JP2003334490A | ||||
| JP63250471A | ||||
| JP2004527654A | ||||
| JP4254589A | ||||
| JP7506608A | ||||
| JP63186879A |
Foreign References:
| CN105369271A | ||||
| DE102016205815A1 |
Attorney, Agent or Firm:
Toshiaki Eto