JOHNSON, Judge.
On May 15, 1944, the appellant filed an application in the United States Patent Office for a patent covering improvements in "Hydantoins and Methods of Obtaining the Same." The subject matter of the patent application is said to be a new class of chemical compounds valuable in therapeutic use by reason of high anticonvulsant activity combined with low toxicity.
On July 16, 1946, the Primary Examiner in the Patent Office entered a final rejection...
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