US Patent 7989568 Fluorosulfonates
Patent 7989568 was granted and assigned to E.I. Du Pont De Nemours And Company on August, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1):Rf(CH2CF2)m—(CH2)nSO3M (1)whereinRf is a C1 to C4 linear or branched perfluoroalkyl group,m is an integer of from 1 to 6,n is from 0 to 4,M is H, NH4, Li, Na or K,and a method of altering the surface behavior of a liquid comprising adding to the liquid the composition of a compound of formula (1).
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Patent Inventor Names
Phan Linh Tang0
Sheng Peng0
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US Patent 07989568 Fluorosulfonates US Patent 7989568 Fluorosulfonates
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Patent Number
079895680
Patent Number
79895680
Edits on 28 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079895680
Date of Patent
August 2, 2011
0Patent Application Number
122701480
Date Filed
November 13, 2008
0Patent Primary Examiner
Edits on 8 Dec, 2021
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US Patent 07989568 Fluorosulfonates
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07989568
Date of patent
August 2, 2011
Patent application number
12270148
Date Filed
November 13, 2008
Patent primary examiner
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