Radioembolic particles
US11083806B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2015 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Nov 26, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are radiopaque compositions comprising one or more of yttrium (Y), strontium (Sr), gallium (Ga), and silicon, or oxides and salts thereof. The composition can comprise a combination of Y2O3, SrO, Ga2O3, and SiO2, and optionally MnO2, and TiO2. Other compositions comprise SrO, Ga2O3, TiO2, MnO2, and SiO2. The composition can be a particulate material. The compositions are useful for radioembolization to treat tumors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.