Process for the production of an aromatic polycarboxylic acid
US5041633A · kind A · utility
11Cited by
4References
20Claims
0Family size
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Key dates
| Filing date | Apr 28, 1987 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Apr 28, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/265
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for producing an aromatic polycarboxylic acid by oxidizing an aromatic feed compound having at least 3 oxidizable ring substituents, wherein, after initiation of the oxidation water from an external source is added and the reaction temperature is raised.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.