More particularly, it is concerned with a process for obtaining a highly purified polar vinyl compound from a mixture of a polar vinyl compound, impurities such as {HEAD ~ polymerization} inhibiting {TAIL ~ substances} and starting materials used in preparation of the polar vinyl compound, that is, from a polar vinyl compound containing impurities  
inhibiting
More particularly , it is concerned with a process for obtaining a highly purified polar vinyl compound from a mixture of a polar vinyl compound , impurities such as { HEAD ~ polymerization } inhibiting { TAIL ~ substances } and starting materials used in preparation of the polar vinyl compound , that is , from a polar vinyl compound containing impurities
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