Conversion of ethers to olefins
US7442845B2 · kind B2 · utility
2Cited by
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4Claims
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Key dates
| Filing date | Oct 18, 2006 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | Nov 8, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Ethers are cracked to olefins using a gamma-alumina catalyst in the presence of ammonia. The use of ammonia improves the selectivity to linear alpha olefins in comparison to cracking reactions in the absence of ammonia. The use of ammonia is convenient in comparison to known processes which employ alumina which as been treated with an amine. A preferred process produces octene-1 from 1-methoxyoctane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.