Catalyst based on cobalt and/or rhodium employed in a two-phase medium
US6677268B2 · kind B2 · utility
15Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Jul 12, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved catalyst based on cobalt and/or rhodium dissolved in a non-aqueous ionic solvent which is liquid at a temperature of less than 90° C. More particularly, the catalyst comprises at least one complex of cobalt and/or rhodium co-ordinated with at least one nitrogen-containing ligand and the non-aqueous ionic solvent comprises at least one quaternary ammonium and/or phosphonium cation and at least one inorganic anion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.