Recycling catalyst in preparation of dimethylformamide from dimethylamine and carbon monoxide
US4302598A · kind A · utility
1Cited by
7References
1Claims
0Family size
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Key dates
| Filing date | Dec 17, 1980 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | Dec 17, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The alkali metal methylate catalyst used in the preparation of dimethylformamide from dimethylamine and carbon monoxide can be preserved, recycled and reused if the reaction mass contains dimethylamine in excess of the stoichiometric amount at all times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.