Clancy v. DeJahn

This is an appeal from a decision of the Commissioner of Patents in an interference proceeding, in which priority of invention was awarded to appellee by all of the interference tribunals of the Patent Office.

The invention in controversy is a process of purifying the nitrogen-hydrogen gas mixture in the synthetic production of ammonia,. It is unnecessary to detail the various successive processes by which synthetic ammonia is produced. Most of them constitute what is known as the Haber process, for which a United States patent was granted in 1916. The gist of the invention here in issue…