Invention Grant
US07674923B2 Process for preparing forms of atorvastatin calcium substantially free of impurities
失效
制备基本上不含杂质的阿托伐他汀钙形式的方法
- Patent Title: Process for preparing forms of atorvastatin calcium substantially free of impurities
- Patent Title (中): 制备基本上不含杂质的阿托伐他汀钙形式的方法
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Application No.: US11236647Application Date: 2005-09-28
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Publication No.: US07674923B2Publication Date: 2010-03-09
- Inventor: Nina Finkelstein
- Applicant: Nina Finkelstein
- Applicant Address: IL Petah Tiqva
- Assignee: Teva Pharmaceutical Industries Ltd
- Current Assignee: Teva Pharmaceutical Industries Ltd
- Current Assignee Address: IL Petah Tiqva
- Agency: Kenyon & Kenyon LLP
- Main IPC: C07D493/06
- IPC: C07D493/06
Abstract:
The preparation of atorvastatin calcium epoxide dihydroxy (AED) is described. AED can be used as a standard or marker in determining the amount of AED in a sample. AED can therefore be used as a tool in preparing atorvastatin calcium substantially free of AED.
Public/Granted literature
- US20060142592A1 Process for preparing forms of atorvastatin calcium substantially free of impurities Public/Granted day:2006-06-29
Information query
