Dehydrogenation catalyst and process for its preparation
US5023225A · kind A · utility
19Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1989 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Jul 21, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C5/3332
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Improved iron oxide catalysts for the dehydrogenation of ethylbenzene to styrene are made by forming a blend of chromium oxide and yellow iron hydrate and heating the blend to convert the yellow iron hydrate to red iron oxide prior to forming the catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.