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  • [专利权人] 包含 'Sterling Srl'
  • [药品] 包含 'Norelgestromin'
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标题标题2专利权人发明人附图摘要摘要2优先权号IPC专利类型
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公开号 公开日 申请号 申请日
1. US7393964B2 2008/7/1
专利标题:Process for the preparation of norelgestromin 法律状态
专利权人Sterling Srl;
Process for the preparation of Norelgestromin or 17α-hydroxy-13β-ethyl-1819-dinorpregn-4-ene-20-yn-3-one oxime also in crystalline form in particular with an E/Z isomer ratio of between 1.3 and 1.5.


2. US20070149812A1 2007/6/28
专利标题:Process for the preparation of norelgestromin 法律状态
专利权人Sterling Srl;
Process for the preparation of Norelgestromin or 17?-hydroxy-13?-ethyl-1819-dinorpregn-4-ene-20-yn-3-one oxime also in crystalline form in particular with an E/Z isomer ratio of between 1.3 and 1.5.



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