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Title:
AIR PURIFICATION FILTERING PAPER
Document Type and Number:
WIPO Patent Application WO/2014/005295
Kind Code:
A1
Abstract:
Air purification filtering paper has at least one bending portion. The bending portion increases the surface area of the filtering paper, thereby increasing the air throughput and improving the air filtering and purification effect of an air purification device.

Inventors:
ZHAO BING (CN)
Application Number:
PCT/CN2012/078140
Publication Date:
January 09, 2014
Filing Date:
July 03, 2012
Export Citation:
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Assignee:
ZHAO BING (CN)
International Classes:
B01D46/52; B01D50/00; F24F8/108
Domestic Patent References:
WO1998047601A11998-10-29
Foreign References:
CN101337139A2009-01-07
CN2202580Y1995-07-05
CN2361364Y2000-02-02
CN2821446Y2006-09-27
US20110048238A12011-03-03
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