| http://www.w3.org/ns/prov#value | - group consisting of: (a) One diol esentially composed of a 4,4-dihydroxydiaryl substituted hydrocarbon wherein said hydrocarbon is a divalent aliphatic radical having from 1 to 20 carbon atoms and each of said aryl radicals is of a member of the benzene series containing from 6 to 9 carbon atoms and from none to two chlorine atoms, provided said constituent defined in (A) is composed of 50 to 90
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