Process for dehydrating methanol to dimethyl ether
US12084409B2 · kind B2 · utility
0Cited by
6References
21Claims
0Family size
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Key dates
| Filing date | Feb 22, 2019 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Jun 12, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/85
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for dehydrating methanol to dimethyl ether product in the presence of a catalyst and a promoter, wherein the catalyst is at least one aluminosilicate zeolite, and the promoter is selected from one or more compounds of Formula I: (I) wherein each of X and any or all of the Y's may independently be selected from hydrogen, halide, a substituted or unsubstituted hydrocarbyl substituent, or a compound of the formula —CHO, —CO2R, —COR, or —OR, where R is hydrogen or a substituted or unsubstituted hydrocarbyl substituent, and wherein the molar ratio of promoter to methanol is maintained at less than 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.