Process for the monoalkylation of dihydroxy aromatic compounds
US7087705B2 · kind B2 · utility
6Cited by
115References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2004 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Mar 31, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J35/647
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A continuous process comprising: contacting a mixture comprising dihydroxy aromatic compound, water and an alkylating agent with a catalyst system in the presence of a flowing carrier gas, to form a mono alkylated dihydroxy aromatic compound, wherein the catalyst system is obtained by the calcination of a catalyst precursor system comprising a metal oxide precursor, a transition metal element and a pore former.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.