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5. In the further treatment of oils which have been subjected to the action of alumi- num chlorid and which still contain suspend- ed or dissolved aluminum chlorid, the proc- b ess which comprises hydrating the anhy- drous aluminum chlorid to produce a floccu- lent readily settling suspension and there- after treating the oil with an alkaline agent. 6. In the further treatment of oils which 30 have been subjected to the action of alumi-
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num chlorid and which'still contain suspend- ed or dissolved aluminum chlorid, the proc- ess which comprises hydrating the anhy- drous aluminum chlorid to produce a floc- culent readily settling suspension and there- i5 after treating the oil with an alkaline agent and fullers' earth., In testimony whereof, I affix my signature hereto. ALBERT E. MILLER.