Carboxamide non-ionic contrast media
US5698739A · kind A · utility
10Cited by
12References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1995 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Jun 5, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/0452
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel triiodo 5-aminoisophthaldiamides are provided, where the amino and one of the amide nitrogens are substituted. The compounds have at least two hydroxyl groups and are found to provide low viscosity and osmolality. Procedures for preparing the compounds are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.