Colloid labelled with radionuclide and method
US4970062A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | May 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.