Cementitious products and articles of manufacture containing carbon-doped titanium dioxide
US9309154B2 · kind B2 · utility
1Cited by
1References
10Claims
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Key dates
| Filing date | Oct 14, 2010 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Nov 14, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/00827
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Herein described are cementitious products and articles of manufacture comprising a carbon-doped titanium dioxide, having long-term photocatalytic activity. The titanium dioxide contained therein may be obtained by irradiating titanium dioxide under specific conditions of wavelength, in presence of a gas flow comprising an inert gas and an organic compound. The titanium dioxide thus treated acquires a high and stable carbon content, maintaining the specific surface area thereof substantially unaltered. The cementitious products/articles of manufacture containing it have a high and efficient photocatalytic action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.