Nanoceria with citric acid additive
US9446070B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Apr 7, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/773
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for making nanoparticles of biocompatible materials is described, wherein an aqueous reaction mixture comprising cerous ion, citric acid, an oxidant, and water, is adjusted to a predetermined range of pH, held at temperature conditions to directly form, without isolation, a stable dispersion of cerium oxide nanoparticles. Dispersions of these biocompatible cerium oxide nanoparticles exhibit self-life well in excess of one year, and may be used to prevent and/or treat disease or injury, such as oxidative stress related diseases and events.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.