Process for the production of 2-oxa-3-one androstane derivatives

United States of America Patent

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Nov 20, 2007
Grant Date
Nov 18, 2004
app pub date
Feb 13, 2004
filing date
Feb 14, 2003

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Expired

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Abstract

The present invention relates to processes for the production of 2-oxa-3-one androstane derivatives. The processes comprise reacting a 3-one androstane derivative with ozone to form a 2-oxa-3-one androstane derivative.

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Patent Owner	Address
BARR LABORATORIES INC	2 QUAKER ROAD POMONA NY 10970

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Ponder, Garratt W	Alpharetta, GA	3	5

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Process for the production of 2-oxa-3-one androstane derivatives

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United States of America Patent

10779519

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PATENT NO	7297801
APP PUB NO	20040230062A1
SERIAL NO	10779519
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 20, 2007	US,7297801,B2 US7297801B2	GRANTED PATENT AS SECOND PUBLICATION
November 18, 2004	US,20040230062,A1 US20040230062A1	FIRST PUBLISHED PATENT APPLICATION

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10779519

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