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Section:	Main.POLYMERS.Poly(EtherSulfone).Co.: DE. By (Patent).Patent.Claims Etc..Claim 1 PolyEther Block CoPolySulfo.nes Mfg. Process Reacting by.TransEtherification A).Aromatic Sulfone Polymer, with.B) Aliphatic PolyEther having > 1.Terminal OH Function. Claim 2.> 2 Terminal OH Functions. Claim 3.Basic Catalyst. Claim 4.DiPolar Aprotic Solvent. Claim 14.Catalyst Lithium Carbonate Etc..Claim 15 Solvent Selected from.DiMethyl SulfOxide Etc. Assignee
Code:	66362
Product:	DE. B
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