发明授权
- 专利标题: Process for the purification of (per) fluoropolyethers with carboxylate end groups
- 专利标题(中): 用羧酸酯端基纯化(全)氟聚醚的方法
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申请号: US14440821申请日: 2013-10-30
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公开(公告)号: US09370733B2公开(公告)日: 2016-06-21
- 发明人: Simonetta Antonella Fontana , Pier Antonio Guarda
- 申请人: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
- 申请人地址: IT Bollate (Milan)
- 专利权人: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
- 当前专利权人: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
- 当前专利权人地址: IT Bollate (Milan)
- 优先权: EP12191288 20121105
- 国际申请: PCT/EP2013/072679 WO 20131030
- 国际公布: WO2014/067981 WO 20140508
- 主分类号: C07C51/42
- IPC分类号: C07C51/42 ; B01D15/42 ; B01D15/08 ; C08G65/00 ; C08G65/30
摘要:
The invention relates to a batch chromatography process the purification of (per)fluoropolyether (PFPE) carboxylates, in particular to a process for increasing the average functionality of PFPE carboxylates mixtures.
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