Epoxidation catalyst
US7057056B1 · kind B1 · utility
4Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2004 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Dec 29, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2229/37
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Titanium or vanadium zeolites are pretreated by contacting with an amino polyacid compound, such as ethylenediaminetetraacetic acid or a salt thereof, prior to use in olefin epoxidation with hydrogen peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.