Preparation of ethylene glycol
US4724241A · kind A · utility
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2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1987 |
| Grant date | Feb 9, 1988 |
| Priority date | — |
| Expiry date | Apr 24, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Ethylene glycol is prepared from carbon monoxide and hydrogen in a homogeneous liquid phase under superatmospheric pressure and at elevated temperatures in the presence of a rhodium-containing catalyst and in the presence of a porphyrin as organic nitrogen-containing promoter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.