2849.     ---------------.  [ROELEN, O.]  [Longevity of Catalysts.]  FIAT Reel K-29, 1938, frames 7,030-7,031; PB 70,218; TOM Reel 296.

        Successful test on the reactivation of a catalyst for the gasoline synthesis without pressure proves, in principle, the possibility of an extraordinary long catalyst life.