Glass microspheres
US4789501A · kind A · utility
188Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1984 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Nov 19, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A radioactive microsphere for radiation therapy of a mammal comprising a biologically compatible glass material containing a beta or gamma emitting radioisotope distributed substantially uniformly throughout the glass. Advantageously, the radioisotope is produced by irradiation of the microsphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.