Epoxidation process using improved heterogeneous catalyst composition
US6011162A · kind A · utility
13Cited by
9References
34Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 15, 1998 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Apr 15, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/0203
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Highly active and selective epoxidation catalysts are prepared by combining silica or the like with a non-oxygenated hydrocarbon solution of titanium halide, removing solvent, calcining at an elevated temperature (preferably, in a substantially oxygen-free atmosphere), and, optionally, reacting with water and silylating. The resulting materials are useful heterogeneous catalysts for transforming olefins to epoxides using organic hydroperoxides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.