Process for preparing formic acid
US8742171B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jun 8, 2012 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jun 8, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/15
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing formic acid by hydrogenation of carbon dioxide in the presence of a tertiary amine (I) and a catalyst at a pressure of from 0.2 to 30 MPa abs and a temperature of from 20 to 200° C., wherein the catalyst is a heterogeneous catalyst comprising gold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.