Nitrogen-containing cyclic ligands
US5049667A · kind A · utility
34Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1989 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Oct 16, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/24
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject of the invention is nitrogen-containing cyclic ligands and metal complexes formed by these ligands, the uses of these complexes as magnetic resonance imaging (MRI) agents, as X-ray contrast agents and as chemical shift reagents in vivo.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.