发明申请
- 专利标题： Method for Removing Hydrohydroquinone
- 专利标题（中）： 去除氢醌的方法
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申请号： US11574621申请日： 2005-09-20
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公开(公告)号： US20070248727A1公开(公告)日： 2007-10-25
- 发明人: Atsushi Konishi , Hirokazu Takahashi , Eri Itaya
- 申请人： Atsushi Konishi , Hirokazu Takahashi , Eri Itaya
- 申请人地址： JP Tokyo 103-8210
- 专利权人： KAO CORPORATION
- 当前专利权人： KAO CORPORATION
- 当前专利权人地址： JP Tokyo 103-8210
- 优先权： JP2004-273244 20040921; JP2005-225792 20050803
- 国际申请： PCT/JP05/17295 WO 20050920
- 主分类号： C12H1/04
- IPC分类号： C12H1/04
摘要：
The present invention relates to a method of removing hydroxyhydroquinone from an aqueous solution containing hydroxyhydroquinone and caffeoylquinic acids by bringing the aqueous solution into contact with an acid clay having a SiO2/Al2O3 ratio of from 3 to 5. The present invention enables selective removal of hydroxyhydroquinone from an aqueous solution containing hydroxyhydroquinone and caffeoylquinic acids.
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