发明授权
- 专利标题： N-substituted carbamoyl-lactam
- 专利标题（中）： N-取代氨基甲酰 - 内酰胺
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申请号： US736257申请日： 1985-05-21
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公开(公告)号： US4626385A公开(公告)日： 1986-12-02
- 发明人: Kaneyoshi Ashida , Jozef L. M. van der Loos
- 申请人： Kaneyoshi Ashida , Jozef L. M. van der Loos
- 专利权人： Kaneyoshi Ashida,Loos Jozef L M V D
- 当前专利权人： Kaneyoshi Ashida,Loos Jozef L M V D
- 主分类号： C07D223/10
- IPC分类号： C07D223/10 ; C08G18/10 ; C08G18/48 ; C08G69/20 ; C07D207/38 ; C07D211/40
摘要：
An N-substituted carbamoyl-lactam compound of the formula ##STR1## wherein R is a di-valent radical derived from polytetramethylene glycol, R' is an at least divalent radical derived from a diisocyanate, Y is a C.sub.3 -C.sub.14 ring-forming alkylene group, and a has a value of at least 1 and is a number corresponding to the mean functionality of the aforesaid polyisocyanate minus 1. A process for preparing the N-substituted carbamoyl-lactam compound is also described.
公开/授权文献
- US5929906A Color correcting method and apparatus 公开/授权日：1999-07-27
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