X-ray contrast agents, compositions and methods
US5356613A · kind A · utility
2Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1992 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | May 8, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C237/46
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The compound N-(2,3-dihydroxypropyl)-5-[N-(2-hydroxyethyl)-glycolamido]-N'-methyl-2,4,6 -triiodoisophthalamide and similar such compounds may be used as x-ray contrast agents which are water-soluble, safe and in an aqueous solution are non-viscous. Methods of preparing N-(2,3-dihydroxypropyl)-5-[N-(2-hydroxyethyl)-glycolamido]-N'-methyl-2,4,6 -triiodoisophthalamide and the analogous compounds are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.