Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Enrico Binassi0
Martino Colonna0
Maurizio Fiorini0
Corrado Berti0
Daniel J. Brunelle0
Date of Patent
March 30, 2010
0Patent Application Number
118344170
Date Filed
August 6, 2007
0Patent Primary Examiner
Patent abstract
A sulfonated telechelic polycarbonate is described which is produced by melt synthesis. A dihydroxy compound is reacted with a sulfobenzoic acid salt, then with an activated carbonate. The method results in a sulfonated telechelic polycarbonate which has a high percentage of sulfonated end groups, is soluble, and is transparent.
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