Use of an ionic halide free copper catalyst for the production of dialkyl carbonates
US7049457B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Sep 5, 2003 |
| Grant date | May 23, 2006 |
| Priority date | — |
| Expiry date | Aug 24, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A non-corrosive process for the preparation of dialkyl carbonate by reacting carbon monoxide, alkanol and an oxygen-containing gas in the presence of a ionic halogen free copper catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.