Membrane separation process
US5681473A · kind A · utility
32Cited by
27References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1995 |
| Grant date | Oct 28, 1997 |
| Priority date | — |
| Expiry date | May 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to membrane separation of organic solubilized rhodium-organophosphite complex catalyst and free organophosphite ligand from a homogeneous non-aqueous hydroformylation reaction mixture, said mixture also containing, in addition to said catalyst and free ligand, aldehyde product and an organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.