Processes for preparing alkylated aromatic compounds
US8609916B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2012 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Jul 6, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2/66
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes for preparing alkylation aromatic compounds are provided. One process for preparing alkylated aromatic compounds includes reacting an aromatic compound and an olefin in at least one primary alkylation reaction in the presence of a first alkylation catalyst to produce a first effluent. The first effluent is split into a first product-rich stream and a first recycle stream, and the first recycle stream is recycled to the at least one primary alkylation reaction. Unreacted aromatic compound from the first product-rich stream and an additional olefin are reacted in at least one downstream alkylation reaction in the presence of a second alkylation catalyst to produce a second effluent. The second effluent is split into a second product-rich stream and a second recycle stream, and the second recycle stream is recycled to the at least one primary alkylation reaction and, optionally, to the at least one downstream alkylation reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.