发明名称 POLYQUATERNIUM- 1 SYNTHESIS METHODS
摘要 The present embodiments relate to a novel method of making quaternary ammonium polymers comprising the steps of: a) mixing 1,4-bis-dimethylamino-2-butene, triethanolamine, water and an acid; and b) introducing a 1,4-dihalo-2-butene to the mixture so as to initiate a reaction resulting in the quaternary ammonium polymer.
申请公布号 US2011027214(A1) 申请公布日期 2011.02.03
申请号 US20100693261 申请日期 2010.01.25
申请人 ABBOTT MEDICAL OPTICS INC. 发明人 YU ZHI-JIAN
分类号 A61K31/785;A61P27/02 主分类号 A61K31/785
代理机构 代理人
主权项
地址