Method for preparing ethylene glycol and/or propylene glycol
US4937393A · kind A · utility
8Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1988 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | May 17, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In the manufacturing method of ethylene glycol and/or propylene glycol, these glycols can be prepared with a highly selectivity and at a high yield by applying the catalyst comprising a carboxylic acid and a carboxylic acid salt or a metal salt of formic acid alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.