Metal-ligand complex catalyzed processes
US5874640A · kind A · utility
18Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Mar 11, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises treating said 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 reaction product fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.