Process for preparing acetals and ketals
US9309178B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Jun 29, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2317/022
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is concerned with a process for preparing acetals and ketals which comprises (i) reacting an aldehyde or ketone with an alcohol in the presence of a solid acid at a temperature of below −40° C., and (ii) removing water and lower aliphatic alcohol and/or sugar alcohol from the reaction product by pervaporation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.