3595. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”]. [Iron-Copper Catalysts.] German Patent Appl. St 58,177, no date, (Cl. 12 o-1.03). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 358.

PATENT

3595. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”]. [Iron-Copper Catalysts.] German Patent Appl. St 58,177, no date, (Cl. 12 o-1.03). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 358.

Fe-Cu catalysts are made by using gaseous or aqueous NH₃ as precipitating agent for the Fe salt solution.