Catalyst preparation
US7294727B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2003 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Oct 17, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2231/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm at a temperature of from more than 200° C. to 300° C., and (b) contacting the carrier obtained in step (a) with a gas stream containing titanium halide to obtain an impregnated carrier, and the use of such catalyst in the preparation of alkylene oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.