Patent · US Expired

Colloid labelled with radionuclide and method

US4970062A · kind A · utility

12Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1989
Grant dateNov 13, 1990
Priority date
Expiry dateMay 30, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2121/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A ferric hydroxide colloid having an alpha-emitting radionuclide essentially on the outer surfaces and a method of forming same. The method includes oxidizing a ferrous hydroxide to ferric hydroxide in the presence of a preselected radionuclide to form a colloid having the radionuclide on the outer surface thereof, and thereafter washing the colloid, and suspending the washed colloid in a suitable solution. The labelled colloid is useful in cancer therapy and for the treatment of inflamed joints.

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