- 专利标题: Polyaspartic acid ester compositions and method for purification
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申请号: US16648366申请日: 2018-09-14
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公开(公告)号: US10968165B2公开(公告)日: 2021-04-06
- 发明人: Dorota Greszta-Franz , Christian Drumm , Jan Morbach , Reiner Witkowski
- 申请人: Covestro Deutschland AG
- 申请人地址: DE Leverkusen
- 专利权人: Covestro Deutschland AG
- 当前专利权人: Covestro Deutschland AG
- 当前专利权人地址: DE Leverkusen
- 代理商 Jed C. Benson
- 优先权: EP17191793 20170919
- 国际申请: PCT/EP2018/074885 WO 20180914
- 国际公布: WO2019/057627 WO 20190328
- 主分类号: C07C227/40
- IPC分类号: C07C227/40 ; C07C229/24 ; C07C227/06
摘要:
The present invention relates to a method for purifying polyaspartic acid ester compositions and to the provision of polyaspartic acid ester compositions that contain 0.01 to
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