Hollow silica nanoparticles as well as synthesis processes and applications thereof
US7781060B2 · kind B2 · utility
3Cited by
13References
25Claims
0Family size
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Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Jul 29, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Hollow silica nanoparticles can have well defined non-porous shells with low shell fragmentation and good dispersability. These well defined hollow particles can be formed through the controlled oxidation of silicon nanoparticles in an organic solvent. The hollow nanoparticles can have a submicron secondary particle sizes. The hollow silica nanoparticles can be incorporated into polymer composites, such as low index-of-refraction composites, for appropriate applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.