摘要 |
CYCLIC HYDROFORMYLATION PROCESS Hydroformylating alpha-olefins in a cyclic homogeneous liquid phase process utilizing a modified rhodium catalyst, the improvement which involves utilizing a gas recycle to maintain the liquid level in the reaction and control build-up of high molecular weight components. This application is a continuation-in-part of copending U.S. Application Serial No. 674,823, filed April 8, 1976. |