Selective aromatics transalkylation
US6593504B1 · kind B1 · utility
10Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1999 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Oct 19, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved process is disclosed for the selective transalkylation of toluene and, optionally, of C9 aromatics. The process preferably uses a bound sulfated zirconia catalyst to provide improved selectivity for the production of xylenes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.