Methods for the preparation of drospirenone

United States of America Patent

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Dec 18, 2012
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Oct 14, 2010
app pub date
Apr 1, 2010
filing date
Apr 10, 2009

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Abstract

Described herein are methods of making drospirenone. Also described are intermediate compounds that may be used to synthesis drospirenone.

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Patent Owner	Address
EVESTRA INC	14805 OMICRON DRIVE SAN ANTONIO TX 78245

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C07J:STEROIDS

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Inventor Name	Address	# of filed Patents	Total Citations
Acosta, Kirk	San Antonio, US	1	2
Nickisch, Klaus	Berlin, DE	65	373
Santhamma, Bindu	San Antonio, US	11	35

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Methods for the preparation of drospirenone

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United States of America Patent

12752859

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PATENT NO	8334375
APP PUB NO	20100261896A1
SERIAL NO	12752859
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 18, 2012	US,8334375,B2 US8334375B2	GRANTED PATENT AS SECOND PUBLICATION
October 14, 2010	US,20100261896,A1 US20100261896A1	FIRST PUBLISHED PATENT APPLICATION

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12752859

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