发明授权
US07776132B2 Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal
有权
熔融金属处理，熔融金属处理方法以及将熔融气体送入熔融金属的装置和方法
- 专利标题： Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal
- 专利标题（中）： 熔融金属处理，熔融金属处理方法以及将熔融气体送入熔融金属的装置和方法
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申请号： US10546147申请日： 2004-02-26
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公开(公告)号： US07776132B2公开(公告)日： 2010-08-17
- 发明人: Hiroshi Sanui , Yuji Nomura , Hidetoshi Ohta , Shoji Sekihara
- 申请人： Hiroshi Sanui , Yuji Nomura , Hidetoshi Ohta , Shoji Sekihara
- 申请人地址： JP Tokyo
- 专利权人： Taiyo Nippon Sanso Corporation
- 当前专利权人： Taiyo Nippon Sanso Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Nixon & Vanderhye P.C.
- 优先权： JP2003-053306 20030228; JP2003-324816 20030917; JP2003-390966 20031120; JP2004-013572 20040121; JP2004-013573 20040121
- 国际申请： PCT/JP2004/002276 WO 20040226
- 国际公布： WO2004/076098 WO 20040910
- 主分类号： C22B26/20
- IPC分类号： C22B26/20
摘要：
A molten metal treatment consisting of a liquid mixture in which fluorinated ketone is dissolved in liquid carbon dioxide at 0.01 to 10 wt % is put in a container, and the molten metal treatment is vaporized, and is fed as a cover gas to be contacted with the surface of a molten metal.
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