Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2007-08-14
2007-08-14
Nguyen, Ngoc-Yen (Department: 1754)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S611000, C423S612000, C502S350000, C502S242000, C516S090000
Reexamination Certificate
active
10989100
ABSTRACT:
This invention relates to methods of making single phase nanocrystalline titanium dioxide. It is hereby provided a method for preparing single-phase anatase type titanium dioxide photocatalyst having a particle size of nano level at near room temperatures without the need for a sintering process at high temperatures.
REFERENCES:
patent: 5049309 (1991-09-01), Sakamoto et al.
patent: 6576589 (2003-06-01), Han et al.
patent: 2003/0148885 (2003-08-01), Weisbeck et al.
patent: 2003/0171446 (2003-09-01), Murrer et al.
patent: 2004/0241502 (2004-12-01), Chung et al.
Daoud Walid Abdelhamid
Qi Kaihong
Xin John Haozhong
Jacobson & Holman PLLC
Nguyen Ngoc-Yen
The Hong Kong Polytechnic University
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