| 摘要 |
1315324 Preparation of methacrolein JAPANESE GEON CO Ltd 6 Aug 1970 [6 Aug 1969] 38085/70 Heading C2C Methacrolein is prepared by reacting a mixture of isobutene and molecular oxygen in the vapour phase in the presence of a catalyst comprising molybdenum, bismuth, iron, silver and oxygen at least part of each of the molybdenum bismuth iron and silver being directly or indirectly bound to oxygen. |
