Process for the preparation of trimellitic acid
US5250724A · kind A · utility
7Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1992 |
| Grant date | Oct 5, 1993 |
| Priority date | — |
| Expiry date | May 12, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/265
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A very selective process for the catalytic air oxidation of pseudocumene to trimellitic acid. Manganese, cobalt, cerium and titanium in the presence of bromine are used as the catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.