US Patent 7544813 Ionic liquids
Patent 7544813 was granted and assigned to E.I. Du Pont De Nemours And Company on June, 2009 by the United States Patent and Trademark Office.
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Patent abstract
Compositions of matter useful as ionic liquids of the formula Z+A−, wherein Z+ is a cation selected from the group consisting of pyridinium, pyridazinium, pyrimidinium, pyrazinium, imidazolium, pyrazolium, thiazolium, oxazolium, triazolium, and phosphonium, ammonium cations with specified substituents, and A− is selected from the group consisting of the following three anions wherein R11, R12 and R13 are as specified.R11—CHF—CF2—SO3− Formula IR12—CF2—CF2—SO3− Formula II(R13—CHF—CF2—SO2)2N− Formula III.
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US Patent 07544813 Ionic liquids US Patent 7544813 Ionic liquids
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Patent Number
0754481300
Patent Number
754481300
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075448130
Date of Patent
June 9, 2009
0Patent Application Number
115238850
Date Filed
September 20, 2006
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075448130
Date of Patent
June 9, 2009
0Patent Application Number
115238850
Date Filed
September 20, 2006
0Official Website
Patent Primary Examiner
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US Patent 07544813 Ionic liquids
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07544813
Date of patent
June 9, 2009
Patent application number
11523885
Date Filed
September 20, 2006
Patent primary examiner
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