Purification of 2-methylglutaronitrile or adiponitrile
US5312959A · kind A · utility
18Cited by
11References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1993 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Jul 12, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-methylglutaronitrile and adiponitrile are purified by removal of boron residues by adding an alcohol or amino alcohol and then recovering the nitrile by distillation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.