Method of preparing epoxidation catalysts
US9433925B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
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Key dates
| Filing date | Jan 22, 2015 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Jan 22, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2229/32
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of preparing epoxidation catalysts is disclosed. The method comprises: (a) adding an inorganic siliceous solid to a column to produce a solid-filled column; (b) adding to the solid-filled column a solution comprising titanium tetrachloride and a hydrocarbon solvent to produce a titanium tetrachloride-impregnated solid; and (c) calcining the titanium tetrachloride-impregnated solid at a temperature from 500° C. to 1000° C. to produce the catalyst. The inorganic siliceous solid has a pore volume of at least 0.8 cm3/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.