{HEAD ~ A variety} of {TAIL ~ additional dihydric phenols} are also available to provide carbonate polymers and are disclosed in U.S. Pat Nos. 2,999,835; 3,028,365; and 3,153,008 
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{ HEAD ~ A variety } of { TAIL ~ additional dihydric phenols } are also available to provide carbonate polymers and are disclosed in U.S. Pat Nos . 2,999,835 ; 3,028,365 ; and 3,153,008
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