C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/635.7
C07C 31/20 (2006.01)
Patent
CA 1220788
D-13130 PROCESS FOR THE PREPARATION OF ETHYLENE GLYCOL A B S T R A C T A process for the preparation of ethylene glycol by the vapor phase hydrogenation of oxalate esters whereby not more than 1.0 percent by weight of 1,2-butanediol is formed. S P E C I F I C A T I O N - 1 -
398329
Hopley William G.
Union Carbide Corporation
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