发明申请
- 专利标题: Process for preparing basic polycondensation products
- 专利标题(中): 制备碱性缩聚产物的方法
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申请号: US10502254申请日: 2003-01-21
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公开(公告)号: US20060293496A1公开(公告)日: 2006-12-28
- 发明人: Wolfgang Brennich
- 申请人: Wolfgang Brennich
- 优先权: DE10202767.6 20020125
- 国际申请: PCT/EP03/00524 WO 20030121
- 主分类号: C08G69/08
- IPC分类号: C08G69/08
摘要:
The present invention relates to the preparation of basic polycondensation products obtainable by the reaction of polyfunctional amines with aqueous acids, distilling off the water and subsequent anhydrous polycondensation with cyano compounds.
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