Hydroformaylation processes
US5741944A · kind A · utility
21Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1996 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | Nov 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a process for separating one or more phosphorus acidic compounds from a hydroformylation reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optionally free organophosphite ligand which process comprises treating said hydroformylation reaction product fluid with an aqueous buffer solution sufficient to neutralize and remove at least some amount of said one or more phosphorus acidic compounds from said hydroformylation reaction product fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.