Method for producing formic acid or its derivatives
US5639910A · kind A · utility
18Cited by
3References
6Claims
0Family size
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Key dates
| Filing date | Nov 4, 1994 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Nov 4, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Formic acid or derivatives thereof are produced from non-toxic carbon dioxide in the supercritical state, using it as raw materials, without using solvents, and at a high efficiency owing to a high reaction velocity, by reacting said carbon dioxide and an active hydrogen group-containing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.