Ionic liquids and production and use thereof

United States of America Patent

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Mar 9, 2004
Grant Date
Oct 31, 2002
app pub date
Oct 16, 2001
filing date
Apr 29, 1999

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Expired

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Abstract

The invention relates to novel ionic liquids and to the production and use thereof. The novel ionic liquids are salts of sulphonated or carboxylated triesters of phosphorous acid as the anionic component and ammonium ions, which can be substituted with organic radicals, as the cationic component.

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Patent Owner(s)

Patent Owner	Address
CELANESE CHEMICALS EUROPE GMBH	61476 KRONBERG

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C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....

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Inventor Name	Address	# of filed Patents	Total Citations
Bahrmann, Helmut	Hamminkeln, DE	79	502
Bohnen, Hans	Moers, DE	24	295

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Ionic liquids and production and use thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09959059

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PATENT NO	6703507
APP PUB NO	20020161261A1
SERIAL NO	09959059
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 09, 2004	US,6703507,B2 US6703507B2	GRANTED PATENT AS SECOND PUBLICATION
October 31, 2002	US,20020161261,A1 US20020161261A1	FIRST PUBLISHED PATENT APPLICATION

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09959059

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