Process for the preparation of acetaldehyde
US4306091A · kind A · utility
16Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1980 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | Jun 30, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/49
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the carbonylation of methanol to produce acetaldehyde comprising reacting methanol in the presence of hydrogen, cobalt, ruthenium, at least one ionic halide, and at least one alkyl halide, the molar ratio Ru/Co being at most equal to about 2, and the cobalt concentration being at most about 50 milligram atoms per liter of reaction medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.