Patent · US Expired

Complexes of thioethers

US5296593A · kind A · utility

0Cited by

1References

7Claims

0Family size

Assignee

Isis Innovation Limited · GB

Inventors

Stephen R. Cooper · Carlsbad, US
Heinz-Josef Kueppers · Mülheim an der Ruhr, DE
Philip Blower · London, GB

Key dates

Filing date	Nov 30, 1992
Grant date	Mar 22, 1994
Priority date	—
Expiry date	Nov 30, 2012

Classification

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

Abstract

Technetium-99m complexes of crown thioethers having 3 to 6 donor sulphur atoms joined into a macrocyclic ring by C2 or C3 groups, for example 1,4,7-trithiacyclononane (9S3); and of tripodal ligands having more than 3 donor sulphur atoms joined by C2 or C3 groups, for example, 1,1,1-tris(((2-methylthio)ethylthio)-methyl)ethane.

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