Selective ammoxidation catalysts
US9211527B1 · kind B1 · utility
6Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2014 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | May 29, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalytic composition useful for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile, and mixtures thereof. The catalytic composition comprises a complex of metal oxides comprising bismuth, molybdenum, iron, cerium and other promoters, wherein the ratio of bismuth to cerium ratio in the composition is greater than or equal to 0.45 and less than or equal to 1.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.