Invention Grant
- Patent Title: Methods for the preparation of drospirenone
- Patent Title (中): 屈螺酮的制备方法
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Application No.: US12752859Application Date: 2010-04-01
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Publication No.: US08334375B2Publication Date: 2012-12-18
- Inventor: Klaus Nickisch , Kirk Acosta , Bindu Santhamma
- Applicant: Klaus Nickisch , Kirk Acosta , Bindu Santhamma
- Applicant Address: US TX San Antonio
- Assignee: Evestra, Inc.
- Current Assignee: Evestra, Inc.
- Current Assignee Address: US TX San Antonio
- Agency: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
- Agent Eric B. Meyertons
- Main IPC: C07J53/00
- IPC: C07J53/00
Abstract:
Described herein are methods of making drospirenone. Also described are intermediate compounds that may be used to synthesis drospirenone.
Public/Granted literature
- US20100261896A1 METHODS FOR THE PREPARATION OF DROSPIRENONE Public/Granted day:2010-10-14
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