Invention Grant
US2932641A Alpha, beta-butenolides of the pregnene, pregnane and allopregnane series and a process for preparing them
失效
阿尔法，孕烯，孕烷和艾泊替班系列的β-丁烯内酰脲及其制备方法
- Patent Title: Alpha, beta-butenolides of the pregnene, pregnane and allopregnane series and a process for preparing them
- Patent Title (中): 阿尔法，孕烯，孕烷和艾泊替班系列的β-丁烯内酰脲及其制备方法
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Application No.: US67375757Application Date: 1957-07-24
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Publication No.: US2932641APublication Date: 1960-04-12
- Inventor: HEINRICH RUSCHIG , WERNER FRITSCH , ERNST LINDNER
- Applicant: HOECHST AG
- Assignee: Green Circle Growers Inc
- Current Assignee: Green Circle Growers Inc
- Priority: DE2932641X 1956-07-26
- Main IPC: C07J19/00
- IPC: C07J19/00 ; C07J75/00
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