Patent · US Expired

Novel x-ray contrast agents, compositions and methods

US5019371A · kind A · utility

9Cited by
3References
6Claims
0Family size

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Key dates

Filing dateNov 21, 1990
Grant dateMay 28, 1991
Priority date
Expiry dateNov 21, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K49/0433
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The compound N-(2,3-dihydroxypropyl)-5-[N-(2-hydroxyethyl)-glycolamido]-N'-methyl-2,4,6 -triiodoisophthalamide and similar such compounds may be used as x-ray contrast agents which are water-soluble, safe and in an aqueous solution are non-viscous. Methods of preparing N-(2,3-dihydroxypropyl)-5-[N-(2-hdyroxyethyl)glycolamido]-N'-methyl-2,4,6- triiodoisophthalamide are provided.

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