Process for making dinitrotoluene
US3981933A · kind A · utility
13Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1975 |
| Grant date | Sep 21, 1976 |
| Priority date | — |
| Expiry date | Aug 18, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Nitrated derivatives of aromatic compounds are obtained by contacting the latter, in the presence of methylene chloride as a reaction medium, with concentrated nitric acid in the presence of concentrated sulfuric acid, and thereafter isolating the formed nitro derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.