Title:
DEODORIZING FILTER MATERIAL, AND DEODORIZING-DUSTPROOF COMPOSITE FILTER USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/013836
Kind Code:
A1
Abstract:
The present invention provides a deodorizing filter material and a deodorizing-dustproof composite filter using the same, the deodorizing filter material comprising: a first thermally bonded carded web (TBCW) formed by thermally bonding carded webs; a bulky layer formed by carding a short fiber on the TBCW and then needle-punching the same; an activated carbon powder scattered and included in the bulky layer; and a second thermally bonded carded web laminated on the bulky layer. The deodorizing filter material according to the present invention has superior air permeability wherein the air permeability measured by the method of ISO 9237 is 200 cm3/cm2-sec or more.
Inventors:
BYUN SUNG WON (KR)
WI CHEOL HO (KR)
KIM YEON SANG (KR)
YEO SANG YOUNG (KR)
WI CHEOL HO (KR)
KIM YEON SANG (KR)
YEO SANG YOUNG (KR)
Application Number:
PCT/KR2015/007523
Publication Date:
January 28, 2016
Filing Date:
July 21, 2015
Export Citation:
Assignee:
KOREA IND TECH INST (KR)
International Classes:
B01D39/00; B60H3/06
Foreign References:
| KR20080096247A | 2008-10-30 | |||
| KR20130020158A | 2013-02-27 | |||
| KR20070035344A | 2007-03-30 | |||
| KR20090103351A | 2009-10-01 | |||
| KR20090015347A | 2009-02-12 |
Attorney, Agent or Firm:
SEWON PATENT LAW FIRM (KR)
특허법인 세원 (KR)
특허법인 세원 (KR)
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