Process for making desvenlafaxine

United States of America Patent

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Feb 17, 2009
Grant Date
Dec 27, 2007
app pub date
Dec 20, 2006
filing date
Dec 20, 2005

priority date (Note)
Expired

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Abstract

Desvenlafaxine is formed from venlafaxine by the use of a demethylating agent comprising a metal sulfide, such as sodium sulfide, and optionally selenium.

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Patent Owner(s)

Patent Owner	Address
SYNTHON BV	6545 CM NIJMEGEN

International Classification(s)

C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Pospisilik, Karel	Krtiny, CZ	8	94
Thijs, Lambertus	Wijchen, NL	17	40

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Process for making desvenlafaxine

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United States of America Patent

11643298

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PATENT NO	7491848
APP PUB NO	20070299283A1
SERIAL NO	11643298
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 17, 2009	US,7491848,B2 US7491848B2	GRANTED PATENT AS SECOND PUBLICATION
December 27, 2007	US,20070299283,A1 US20070299283A1	FIRST PUBLISHED PATENT APPLICATION

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11643298

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