Molten salt catalyzed oxidation of alkanes or olefins using lower temperture nitrate salts
US4943643A · kind A · utility
5Cited by
5References
11Claims
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Key dates
| Filing date | Jun 7, 1989 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Jun 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/35
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the vapor phase oxidation of olefins in molten salt catalyst to produce alkylene oxides in increased molar selectivity and per-pass yields while reducing the molar selectivity of aldehyde by-products. The process involves the use of molten nitrate salt catalyst compositions which comprise lithium nitrate and which are heated and operated at a low temperature within the range of about 180.degree. C. up to about 250.degree. C., more preferably 200.degree. C. to 250.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.