Process for the production of aromatic acids
US6160170A · kind A · utility
Inventor
Key dates
| Filing date | Jun 25, 1999 |
| Grant date | Dec 12, 2000 |
| Priority date | — |
| Expiry date | Jun 25, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/265
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for producing mono- and poly-carboxylic aromatic acids by oxidation of the corresponding precursors with molecular oxygen and/or air in the presence of a catalytic complex formed by a combination of at least one metal selected from ruthenium, iridium, platinum and palladium, and/or at least one metal of Group VIIA, principally rhenium; and/or cerium, and B at least one metal belonging IVA of the periodic table of elements, principally zirconium and/or hafnium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.