Photocatalytic rutile titanium dioxide
US7521039B2 · kind B2 · utility
8Cited by
77References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2002 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Nov 26, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/40
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention is directed to photocatalytically active rutile titanium dioxide. The photocatalytically active rutile titanium dioxide of the present invention demonstrates enhanced activity in the visible light spectrum. It may be produced by neutralizing rutile seed to a higher pH than that at which it has traditionally been neutralized prior to washing and thermally treating the seed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.