Main > POLYMERS > A - M O N O M E R S > HydroxyAcids > Aromatic HydroxyAcids > Patent > Claims > Claim 1: DiAlkali Metal Salt Mfg.: > Alkali Metal ArylOxide (I)+CO2 > Reaction at >275C & > MP of (I). > Claims 2,3,4: (I): K PhenOxide; MP< > 320C. Patent Assignee
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