Patent · US Expired

Fluorescent poly(arylpyridine) rare earth chelates

US5116989A · kind A · utility

20Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1989
Grant dateMay 26, 1992
Priority date
Expiry dateMay 30, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/14
  • 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.