Patent · US Expired

Bifunctional chelating agents

US5227474A · kind A · utility

16Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1991
Grant dateJul 13, 1993
Priority date
Expiry dateMay 28, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C275/42
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention provides bifunctional chelating agents comprising a unique substrate reactive moiety incorporated into a carboxymethyl arm of a polyaminopolycarboxylate chelating framework capable of forming stable complexes with metal ions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.