Catalyst composition
US6534438B1 · kind B1 · utility
20Cited by
22References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 26, 2000 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Oct 5, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2235/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Composition and process for making same in which the composition includes support particles having at least one catalytically active metal or precursor thereof distributed therein in a layer below the surface of the particle. The layer is located between an inner and an outer region of the support particle, and each of the inner and outer regions has a lower concentration of the metal or precursor thereof than the layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.