Method of separating 2-nitrosophenol isomer from admixture with 4-nitrosophenol isomer
US5019659A · kind A · utility
1Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1990 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Aug 17, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a method for selectively separating 2-nitrosophenol from an isomeric mixture containing 2-nitrosophenol and 4-nitrosophenol by contacting the mixture with an organic solvent so as to preferentially dissolve the 2-nitrosophenol from the mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.