The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 29, 2004

Filed:

Jun. 13, 2002
Applicant:
Inventors:

Ming-Der Ger, Taoyuan Hsien, TW;

Kuang-Hsuan Yang, Taoyuan Hsien, TW;

Yuh Sung, Chung-Li City, Taoyuan Hsien, TW;

Wen-Hwa Hwu, Chung-Li City, Taoyuan Hsien, TW;

Yu-Chuan Liu, Chung-Li City, Taoyuan Hsien, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/200 ;
U.S. Cl.
CPC ...
C23C 2/200 ;
Abstract

The present invention discloses a method for treating magnesium alloys by chemical conversion. This method can improve corrosion resistance and paint adhesion of magnesium alloys, and produces an admirable appearance. Additionally, the method of the present invention is more environmentally friendly than conventional processes, because non-chromate chemicals are used in acid pickling and chemical conversion. Furthermore, the method of the present invention can be widely applied to the magnesium alloys manufactured by casting and rolling.


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