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.
Patent No.:
Date of Patent:
Apr. 15, 2014
Filed:
Jul. 08, 2010
Dayong Shan, Shenyang, CN;
Yingwei Song, Shenyang, CN;
Enhou Han, Shenyang, CN;
Rongshi Chen, Shenyang, CN;
Wei KE, Shenyang, CN;
Dayong Shan, Shenyang, CN;
Yingwei Song, Shenyang, CN;
Enhou Han, Shenyang, CN;
Rongshi Chen, Shenyang, CN;
Wei Ke, Shenyang, CN;
Institute of Metal Research Chinese Academy of Sciences, Shenyang, CN;
Abstract
Disclosed herein is a chromate-free conversion film solution and a method of applying the solution to magnesium and magnesium alloys. The solution contains zirconium ions, manganese ions, barium ions and phosphate corrosion inhibitor; and the pH of the said solution is in the range of 1-5; and may further comprise molybdate as accelerant. The method comprises degreasing, acid etching, surface activation, surface adjusting, and film forming steps. The conversion film obtained in accordance with the disclosed method is uniform, smooth, and compact and has high corrosion resistance and good adhesion with paint film. Moreover, the chromate-free conversion film solution is environmentally friendly and possesses fast film growth rates.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile