BLAND, Associate Judge.
This is an appeal by Walsko, the junior party, from a decision of the Board of Appeals of the United States Patent Office, affirming that of the Examiner of Interferences in awarding priority of invention of a single count to the senior party Smith.
The count reads as follows: "In refining hydrocarbon mineral oil, the improvement which comprises subjecting the oil to the action of nitrobenzene and sulphuric acid at the same time."<...
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