- Patent Title: Polyaspartic acid ester compositions and method for purification
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Application No.: US16648366Application Date: 2018-09-14
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Publication No.: US10968165B2Publication Date: 2021-04-06
- Inventor: Dorota Greszta-Franz , Christian Drumm , Jan Morbach , Reiner Witkowski
- Applicant: Covestro Deutschland AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agent Jed C. Benson
- Priority: EP17191793 20170919
- International Application: PCT/EP2018/074885 WO 20180914
- International Announcement: WO2019/057627 WO 20190328
- Main IPC: C07C227/40
- IPC: C07C227/40 ; C07C229/24 ; C07C227/06
Abstract:
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
Public/Granted literature
- US20200223787A1 POLYASPARTIC ACID ESTER COMPOSITIONS AND METHOD FOR PURIFICATION Public/Granted day:2020-07-16
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