Purification of methyl tertiary-butyl ether
US5157163A · kind A · utility
3Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Oct 3, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C41/09
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for the separation of methanol from MTBE contained in a reaction mixture comprising water, methanol, TBA and MTBE which comprises distilling the reaction mixture in the presence of added water in order to provide a distillate fraction containing most of the MTBE and a heavier distillation fraction containing most of the tertiary-butanol, water and methanol charged to the distillation column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.