Process for recovery of phosphorus ligand from vaporized aldehyde
US5110990A · kind A · utility
31Cited by
9References
13Claims
0Family size
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Key dates
| Filing date | Jun 22, 1989 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/81
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved rhodium catalyzed liquid recycle hydroformylation process, the improvement which comprises selectively separating and recovering phosphorus ligand from the vaporized aldehyde product stream obtained from volatilizing and separating the aldehyde product from the catalyst containing reaction product solution of the hydroformylation process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.