Process for preparing ring-fluorinated aromatics

United States of America Patent

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May 13, 2008
Grant Date
Jan 12, 2006
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Jul 6, 2005
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Jul 8, 2004

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Abstract

The present invention relates to an improved process for preparing ring-fluorinated aromatics of the general formula (I) ##STR00001## by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of a catalyst.

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LANXESS DEUTSCHLAND GMBH

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Marhold, Albrecht	Leverkusen, DE	264	1476
Pleschke, Axel	Koln, DE	16	32

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Process for preparing ring-fluorinated aromatics

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United States of America Patent

11175612

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PATENT NO	7371861
APP PUB NO	20060009643A1
SERIAL NO	11175612
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 13, 2008	US,7371861,B2 US7371861B2	GRANTED PATENT AS SECOND PUBLICATION
January 12, 2006	US,20060009643,A1 US20060009643A1	FIRST PUBLISHED PATENT APPLICATION

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11175612

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