Diaryl carbonate process
US5167946A · kind A · utility
8Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Oct 29, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C68/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Diaryl carbonates are prepared by the catalyzed reaction of an aryl hydroxide with a carbonyl halide in the liquid phase at a temperature from greater than 100.degree. to less than 150.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.