发明公开
EP2196561A2 A process for removing metallic material from casted substrates, and related compositions
审中-公开
从铸造底物和相应组合物去除金属材料的方法
- 专利标题： A process for removing metallic material from casted substrates, and related compositions
- 专利标题（中）： 从铸造底物和相应组合物去除金属材料的方法
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申请号： EP09177819.1申请日： 2009-12-03
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公开(公告)号： EP2196561A2公开(公告)日： 2010-06-16
- 发明人: Kool, Lawrence Bernard , Gigliotti, Michael Francis Xavier , Huang, Shyh-Chin , Ofori-Okai, Gabriel Kwadwo
- 申请人： General Electric Company
- 申请人地址： a New York Company 1 River Road Schenectady, NY 12345 US
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： a New York Company 1 River Road Schenectady, NY 12345 US
- 代理机构： Szary, Anne Catherine
- 优先权： US334582 20081215
- 主分类号： C23F1/28
- IPC分类号： C23F1/28 ; C23F1/44 ; F01D25/00
摘要：
A method for removing a metallic material from the surface of a casted substrate includes the step of contacting the metallic material with an aqueous composition which comprises an acid having the formula H x AF 6 , or precursors to said acid. "A" in the formula is selected from the group consisting of Si, Ge, Ti, Zr, Al, and Ga; and x is 1-6.
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