摘要 |
Method for the production of lactams from aliphatic omega aminonitriles in a gas phase, in the presence of water and heterogenous catalysts, in which oxides and/or metal hydrated oxides selected from tin, zirconium, hafnium, bismuth, vanadium, niobium or tantalum or mixtures thereof, which can also be applied to supports, and used as catalysts.
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申请人 |
BAYER AG, 51373 LEVERKUSEN, DE |
发明人 |
BUYSCH, HANS-JOSEF, DR., 47809 KREFELD, DE;IMMEL, OTTO, DR., 47803 KREFELD, DE;LANGER, REINHARD, DR., 47800 KREFELD, DE |