Method for hydrogenating aromatic nitro compounds
US6040481A · kind A · utility
2Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1998 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Nov 12, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/36
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for hydrogenating aromatic nitro compounds by reacting at least one aromatic nitro compound with hydrogen in two adiabatically operated fixed-bed catalytic reactors arranged in series, wherein one part of the reaction mixture from the first reactor is recirculated therein while the other part is fed into the second reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.