Process for isolating aromatic dinitro compounds
US4261908A · kind A · utility
9Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1979 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Jun 21, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process has been developed for isolating aromatic dinitro compounds by using nitric acid in specified concentrations in different portions of a rectifying column and separating off the mixture of aromatic dinitro compounds from the sump of the rectifying column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.