Process for the preparation of polyquarternium-I
- 专利权人:
- 发明人:
- Stefan Becker,Uwe Eilitz,Gunnar Göthe,Jens Flemming
- 申请号：
- US14409606
- 公开号：
- US09475907B2
- 申请日:
- 2013.06.19
- 申请国别(地区):
- US
- 年份:
- 2016
- 代理人:
- 摘要：
- The present invention relates to a method for the preparation of polyquaternium-1, wherein an aprotic polar solvent is used as the reaction medium, and a solid polyquaternium-1 having a low degree of polydispersity.
- 来源网站：
- 中国工程科技知识中心
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