Invention Grant
US3477997A Process for preparing copolymers of azetidinones-(2) and lactones
失效
制备AZETINONONES-（2）和Lactones的共聚物的方法
- Patent Title: Process for preparing copolymers of azetidinones-(2) and lactones
- Patent Title (中): 制备AZETINONONES-（2）和Lactones的共聚物的方法
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Application No.: US3477997DApplication Date: 1967-03-17
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Publication No.: US3477997APublication Date: 1969-11-11
- Inventor: GUMBOLDT ALBERT GUSTAV MARTIN , NOETZEL SIEGFRIED
- Applicant: HOECHST AG
- Assignee: Hoechst AG
- Current Assignee: Hoechst AG
- Priority: DEF0048772 1966-03-25
- Main IPC: C08G69/44
- IPC: C08G69/44 ; C08G73/04 ; C08G20/30
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