Production of cyclic acetals by reactive distillation
US9315485B2 · kind B2 · utility
1Cited by
83References
4Claims
0Family size
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Key dates
| Filing date | Aug 14, 2014 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Aug 14, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cyclic acetals can be produced in a reactive distillation apparatus by combining a polyhydroxyl compound and an aldehyde. High concentrations of cyclic acetals are removed as liquid products from the column while water is removed as an overhead vapor stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.