Porous silica microspheres having organosilane modified surfaces
US8277883B2 · kind B2 · utility
3Cited by
17References
17Claims
0Family size
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Inventors
Key dates
| Filing date | Jun 12, 2009 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Sep 6, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2995
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for preparing functionalized porous particles is disclosed, the method comprising contacting a plurality of porous silica particles with water, at least one of an ionic fluoride such as HF or NH4F or a basic activator, and a multifunctional organosilane. Also disclosed are functionalized porous silica particles produced from the methods disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.