Layered catalyst composition and processes for preparing and using the composition
US6280608A · kind A · utility
21Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2000 |
| Grant date | Aug 28, 2001 |
| Priority date | — |
| Expiry date | May 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a layered catalyst composition, a process for preparing the composition and processes for using the composition. The catalyst composition comprises an inner core such as alpha-alumina, and an outer layer bonded to the inner core composed of an outer refractory inorganic oxide such as gamma-alumina. The outer layer has uniformly dispersed thereon a platinum group metal such as platinum and a promoter metal such as tin. The composition also contains a modifier metal such as lithium. The catalyst composition shows improved durability and selectivity for dehydrogenating hydrocarbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.