Epoxidation catalyst
US6972337B1 · kind B1 · utility
9Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2004 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Aug 12, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2229/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Titanium or vanadium zeolites are heated at a temperature greater than 400° C., then contacted with water prior to use in olefin epoxidation with hydrogen peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.