Method and apparatus for producing photocatalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide

Reexamination Certificate

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Details

C502S349000, C427S074000, C427S126400, C427S402000, C427S419200, C427S419300

Reexamination Certificate

active

07608562

ABSTRACT:
A method of producing a photocatalyst according to the invention comprises forming an amorphous titanium oxide and heat-treating it in an atmosphere containing oxygen, whereby a photocatalyst having a good photocatalysis can be obtained. In particular, the amorphous titanium oxide is obtained by using the reactive sputtering method and via deposition at a low temperature and at a high film formation rate. This apparatus can be provided with cooling means to allow enhancement of the throughput of the film formation process.

REFERENCES:
patent: 6027766 (2000-02-01), Greenberg et al.
patent: 6280700 (2001-08-01), Nishii et al.
patent: 2004/0248725 (2004-12-01), Hiraoka et al.
patent: 539 260 (1993-04-01), None
patent: 967 008 (1999-12-01), None
patent: 1 068 899 (2001-01-01), None
patent: 2000-86226 (2000-03-01), None
patent: 2001-25666 (2001-01-01), None
patent: 2001-55799 (2001-02-01), None
H. Hiraiwa, et al., “Spattering-ho ni yoru Hikari Shokubaisei Sanka Titan-maku no Kaihatsu”, Reports of the Toyama Industrial Technology Center, No. 14, p. 7 (Jul. 12, 2000).

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