Suitable polyethers of polyhydric phenols excluding the diglycidyl ethers noted above, include for example, the polyglycidyl polyethers of dihydric phenols including mononuclear phenols such as resorcinol, catachol, hydroquinone and methyl resorcinol and polynuclear phenols such as 4,4'-dihydroxy benzophenone, 1,5-dihydroxy naphthalene and particularly the alkylene bis-phenols such as 2,2-bis(4-hydroxyphenyl)propane, 1,1-bis(4-hydroxyphenyl)propane, 1,1-bis(4-hydroxyphenyl)ethane, 1,1-bis(4-hydroxyphenyl)isobutane, 2,2-bis(4-hydroxyphenyl)butane, 2,2-bis(4-hydroxy-2-methylphenyl)propane, 1,1-bis(4-hydroxyphenyl)-2-methyl propane, 3,3-bis(4-hydroxyphenyl)pentane, 1,1-bis(4-hydroxyphenyl)2-ethylhexane, and bis(4-hydroxyphenyl)methane.
