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US Patent 7544807 Ionic liquids

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7544807
Date of Patent
June 9, 2009
Patent Application Number
11833529
Date Filed
August 3, 2007
Patent Citations Received
‌
US Patent 11939556 Cleaning composition comprising an alkylamidoalkyl alkyldimonium alkylsulfate as an ionic liquid
0
Patent Primary Examiner
‌
Janet L. Andres
Patent abstract

Low melting ionic compounds of the general formula (cation) (R′SO4) in which R′ is a branched or linear, saturated or unsaturated, aliphatic or alicyclic functionalized or non-functionalized hydrocarbon chain with 3-36 carbon atoms are provided. These compounds can serve as ionic liquids, e.g. as solvents or solvent additives in chemical reactions, as extraction agents or as heat carriers. The compounds comprise a cation and anionic sulfate ester.

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