发明申请
- 专利标题： PROCESS FOR PURIFYING GUAR
- 专利标题（中）： 净化手段
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申请号： US13396305申请日： 2012-02-14
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公开(公告)号： US20120142630A1公开(公告)日： 2012-06-07
- 发明人: James W. Davis , Howard Allen Ketelson , David L. Meadows , John C. Baker
- 申请人： James W. Davis , Howard Allen Ketelson , David L. Meadows , John C. Baker
- 申请人地址： US TX Fort Worth
- 专利权人： ALCON RESEARCH, LTD.
- 当前专利权人： ALCON RESEARCH, LTD.
- 当前专利权人地址： US TX Fort Worth
- 主分类号： A61K31/736
- IPC分类号： A61K31/736 ; A61P27/02 ; C08B37/00
摘要：
The present invention relates to processes for purifying guar comprising combining borate and guar in an aqueous solution and treating the aqueous solution with an organic solvent to induce precipitation of purified guar. Another embodiment of the present invention is directed to ophthalmic formulations comprising purified guar produced by the processes described.
公开/授权文献
- US08536325B2 Process for purifying guar 公开/授权日：2013-09-17
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