. . . . "The hydroxyaromatic antioxidant may comprise a compound having the structural formula ##STR1## wherein R1, R2, R3, and R4 are independently selected from hydrogen, a hydroxyl group, an alkoxy group containing 1 to 6 carbon atoms, and an alkyl group containing 1 to 6 carbon atoms, wherein at least one of said R1, R2, R3, and R4 is a hydroxyl group, and R5 and R6 are independently selected from hydr" . . . . . . .