Purification of X-ray contrast agent, magnetic resonance imaging agent, or radiopharmaceuticals using reverse osmosis
US5221485A · kind A · utility
5Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1992 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Oct 2, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C237/46
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The use of reverse osmosis as an alternative or substitute method for the purification of a crude diagnostic agent. X-ray contrast agent, magnetic resonance imaging agent, or radiopharmaceuticals are purified by passing through a cross-linked reverse osmosis membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.