Processes for producing carbamates and isocyanates
US5194660A · kind A · utility
12Cited by
39References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1990 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Dec 21, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes for producing carbamates comprise contacting a first reactant selected from primary amine components, secondary amine components, urea components and mixtures thereof; carbon monoxide; at least one organic hydroxyl component and at least one oxygen-containing oxidizing agent in the presence of a catalyst composition comprising at least one metal macrocyclic complex, preferably in the further presence of a halogen component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.