Formation of carbonate esters and orthocarbonates
US5663406A · kind A · utility
7Cited by
0References
20Claims
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Key dates
| Filing date | Nov 25, 1996 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Nov 25, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C68/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A carbonate ester is produced by the metal-induced reaction of a hydroxy compound with a sulfur compound in a melt process. An orthocarbonate can also be produced. The orthocarbonate can be converted into carbonate ester in a subsequent operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.