Ethylene oxide recovery
US4221727A · kind A · utility
19Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1979 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | Aug 17, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D301/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In the manufacture of ethylene oxide by the partial oxidation of ethylene in the vapor phase, the effluent gases from the reaction are absorbed in water prior to separation and purification of the ethylene oxide. The present invention is the improvement in which ethylene carbonate is employed as the absorbing medium for the ethylene oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.