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Patent Searching and Data


Title:
OZONE GAS DETECTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2006/016623
Kind Code:
A1
Abstract:
This invention provides an ozone gas detecting element (102) comprising a porous body (121), which is porous glass with a plurality of micropores (122) having an average pore diameter of 4 μm, a detecting agent (123) provided within the pore (122), and a selective transmission film (124) which is formed of a plastic film and is provided so as to cover the surface of the porous body (121). The selective transmission film (124) is formed of, for example, an organic polymer prepared using, as a monomer, a compound of a vinyl-containing chain molecule, such as polyacrylonitrile or PMMA and has a thickness of about 0.05 μm to 1 μm.

Inventors:
MARUO YASUKO (JP)
OGAWA SHIGEO (JP)
SAKATA SEIZOU (JP)
TANAKA TOHRU (JP)
NAKAMURA JIROU (JP)
KUNIOKA TATSUYA (JP)
Application Number:
PCT/JP2005/014689
Publication Date:
February 16, 2006
Filing Date:
August 10, 2005
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
MARUO YASUKO (JP)
OGAWA SHIGEO (JP)
SAKATA SEIZOU (JP)
TANAKA TOHRU (JP)
NAKAMURA JIROU (JP)
KUNIOKA TATSUYA (JP)
International Classes:
G01N21/78; G01N31/00; G01N31/22; (IPC1-7): G01N31/00; G01N21/78; G01N31/22
Foreign References:
JP2001343380A2001-12-14
JP2002277453A2002-09-25
JP2004150924A2004-05-27
Other References:
See also references of EP 1777517A4
Attorney, Agent or Firm:
Yamakawa, Masaki c/o Yamakawa International Patent Office (8th Floor Shuwa-Tameike Building, 4-2, Nagatacho 2-chom, Chiyoda-ku Tokyo 14, JP)
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