发明授权
- 专利标题： Method for purifying material to be treated and method for producing coagulated material
- 专利标题（中）： 净化待处理材料的方法和凝固材料的制造方法
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申请号： US10562731申请日： 2004-07-05
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公开(公告)号： US07498402B2公开(公告)日： 2009-03-03
- 发明人: Hideki Nakaya , Tadahiro Yabu , Mitsuo Tsukamoto , Kenji Otoi , Yoshiyuki Hiraga , Yuji Imahori
- 申请人： Hideki Nakaya , Tadahiro Yabu , Mitsuo Tsukamoto , Kenji Otoi , Yoshiyuki Hiraga , Yuji Imahori
- 申请人地址： JP Osaka
- 专利权人： Daikin Industries, Ltd.
- 当前专利权人： Daikin Industries, Ltd.
- 当前专利权人地址： JP Osaka
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2003-191416 20030703; JP2004-071744 20040312
- 国际申请： PCT/JP2004/009546 WO 20040705
- 国际公布： WO2005/003190 WO 20050113
- 主分类号： C08F6/00
- IPC分类号： C08F6/00 ; C08J3/00
摘要：
A method of purifying a treatment target substance containing a fluorine-containing surfactant which includes removing at least part of the fluorine-containing surfactant from the treatment target substance by contacting the treatment target substance with a gas containing carbon dioxide. The fluorine-containing surfactant is an ether oxygen-free anionic compound represented by one of general formulae (1) and (2) as defined herein.
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