Catalyst for methacrolein oxidation and method for making and using same
US7732367B2 · kind B2 · utility
11Cited by
222References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2005 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Aug 21, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for oxidation of unsaturated and/or saturated aldehyde to unsaturated acids is disclosed where the catalyst including at least molybdenum (Mo), phosphorus (P), vanadium (V), bismuth (Bi), and a first component selected from the group consisting of potassium (K), rubidium (Rb), cesium (Cs), thallium (Tl), or mixtures or combinations thereof, where the catalyst has at least 57% medium pores and a nitric acid to molybdenum mole ratio of at least 0.5:1 or at least 6.0:1 moles of HNO3 per mole of Mo12. Methods for making and using such catalysts are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.