Patent · US Expired

Substituted acetanilidoiminodiacetic acid compounds, diagnostic agents containing such compounds labeled with technetium-99m, and methods for making and using such compounds and agents

US4350674A · kind A · utility

4Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1980
Grant dateSep 21, 1982
Priority date
Expiry dateMay 16, 2000

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2123/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

What are disclosed are (2,3,4,5,6-pentafluoroacetanilido)-iminodiacetic acid and a method for its preparation from chloroacetic acid (2,3,4,5,6-pentafluoroanilide); (4-n-pentylacetanilido)-iminodiacetic acid and a method for its preparation from chloroacetic acid (4-n-pentylanilide); diagnostic agents for visualizing the heptobiliary system containing these substituted acetanilidoiminodiacetic acid compounds labeled with technetium-99m; and methods for making and using such diagnostic agents.

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