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Title:
PROCESS FOR PRODUCING PART MADE OF MAGNESIUM AND/OR MAGNESIUM ALLOY
Document Type and Number:
WIPO Patent Application WO/2001/083849
Kind Code:
A1
Abstract:
A process for producing a treated part made of magnesium and/or a magnesium alloy, characterized by treating a part made of magnesium and/or a magnesium alloy with (A) a surface-treating agent containing a phosphoric acid salt, subsequently treating it with (B) a rust-preventive pretreating agent, optionally further treating the part with (C) a detergent containing a surfactant and at least one member selected among aromatic carboxylic acids and salts of these, and then optionally treating the part with (D) a rust preventive for magnesium.

Inventors:
Fukumura, Kazunori c/o OTSUKA KAGAKU KABUSHIKI KAISHA Tokushima Factory 463 (Kagasuno Kawauchi-cho Tokushima-shi, Tokushima, 771-0193, JP)
Sakane, Koji c/o OTSUKA KAGAKU KABUSHIKI KAISHA 2-27 (Otedori 3-chome Chuo-ku Osaka-shi, Osaka, 540-0021, JP)
Application Number:
PCT/JP2001/003676
Publication Date:
November 08, 2001
Filing Date:
April 27, 2001
Export Citation:
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Assignee:
OTSUKA KAGAKU KABUSHIKI KAISHA (2-27, Otedori 3-chome Chuo-ku Osaka-shi, Osaka, 540-0021, JP)
Fukumura, Kazunori c/o OTSUKA KAGAKU KABUSHIKI KAISHA Tokushima Factory 463 (Kagasuno Kawauchi-cho Tokushima-shi, Tokushima, 771-0193, JP)
Sakane, Koji c/o OTSUKA KAGAKU KABUSHIKI KAISHA 2-27 (Otedori 3-chome Chuo-ku Osaka-shi, Osaka, 540-0021, JP)
International Classes:
C23C22/68; C23C22/83; C23C26/00; C23C28/00; (IPC1-7): C23C22/07; C23C22/23; C23C22/83; C23F11/00
Domestic Patent References:
WO1995012010A1
WO1999047729A1
Foreign References:
JPH06116739A
JPS6033360A
JPH10183372A
Other References:
See also references of EP 1277853A1
Attorney, Agent or Firm:
Tamura, Iwao (Tamura Patent Office 9-22, Terauchi 1-chome Toyonaka-shi, Osaka, 561-0872, JP)
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