. . . . "Generally, the present invention is a process for epoxidizing an allyl ether of an active hydrogen-containing compound, more specifically for epoxidizing the aryl allyl ether, made by allylation of the oxygen atom, of a hydroxyl-containing aromatic compound, by contacting the aryl allyl ether with an inorganic or an organic oxidant, for example, aqueous hydrogen peroxide or an organic hydroperoxid" .