2898. ----- [RUHRCHEMIE, A.G.] [Dehydrogenation of Cyclic Hydrocarbons.] German Patent Appl. R 115,223, no date (Cl .IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol.6, p.314.

PATENT

2898. ----- [RUHRCHEMIE, A.G.] [Dehydrogenation of Cyclic Hydrocarbons.] German Patent Appl. R 115,223, no date (Cl .IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol.6, p.314.

Cyclic hydrocarbons are dehydrogenated by treating with Cl and/or Br at elevated temperatures and by the use of Al oxide and/or catalysts containing silicic acid.