Process for the preparation of ethylene glycol
US4628129A · kind A · utility
24Cited by
4References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 1985 |
| Grant date | Dec 9, 1986 |
| Priority date | — |
| Expiry date | Feb 4, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the preparation of ethylene glycol by the catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the presence of a hydrogenation catalyst comprising a carrier, which catalyst is suitable for the hydrogenation of alkyl oxalate and alkyl glycolate to ethylene glycol, wherein the carrier has a leachable iron content not greater than about 0.03%, by weight of the carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.