Process for preparing N, N-dimethylurea
US3937727A · kind A · utility
1Cited by
1References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 5, 1974 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Jul 5, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C273/1863
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Urea is reacted with at least a onefold molar excess of dimethylamine in a substantially anhydrous system under pressure and temperature conditions adapted to produce unsymmetrical dimethylurea in essentially quantitative yields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.