Fluorescent poly(arylpyridine) rare earth chelates
US5252740A · kind A · utility
16Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1991 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Oct 2, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S436/80
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A class of fluorescent rare earth chelates and the ligands upon which they are based whose molecular structure incorporates a plurality of substituted arylpyridine diacid units attached to a central template structure is disclosed. These ligands function as efficient energy transfer groups in fluorescent tagging reagents and tracers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.