发明授权
- 专利标题： Polymeric quaternary ammonium compounds with vicinal hydroxy groups
- 专利标题（中）： 具有邻位羟基的聚合季铵化合物
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申请号： US12644069申请日： 2009-12-22
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公开(公告)号： US08431751B1公开(公告)日： 2013-04-30
- 发明人: Ernesto J. Castillo , Hwang-Hsing Chen , Masood A. Chowhan , Glenn D. Stafford, Jr.
- 申请人： Ernesto J. Castillo , Hwang-Hsing Chen , Masood A. Chowhan , Glenn D. Stafford, Jr.
- 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
- 代理商 Michael Rein
- 主分类号： C07C205/00
- IPC分类号： C07C205/00 ; C08G61/00 ; C08G73/00
摘要：
New polymeric quaternary ammonium compounds with vicinal hydroxyl groups are disclosed. These compounds are useful as disinfectants in contact lens care compositions and/or as preservatives in ophthalmic compositions. Compositions containing these compounds are also disclosed. These compositions are especially useful for disinfecting/cleaning contact lenses.
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