Method for removing osmium from nucleosides
US5438132A · kind A · utility
3Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1993 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | May 14, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D473/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for removing osmium from an aqueous solution of nucleosides comprising adding hydrogen sulfide, an aromatic pi base such as pyridine, and a mineral acid. The osmium is precipitated out of solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.