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Title:
VENTILATION FILTER ENDOWED WITH OIL REPELLENCY
Document Type and Number:
WIPO Patent Application WO/2017/017948
Kind Code:
A1
Abstract:
The present invention provides a ventilation filter with which excellent ventilation characteristics can be maintained without clogging of pores even in an environment exposed to oil, oil mist or ink. The present invention relates to a ventilation filter that is provided with a porous membrane having a surface coated with an oil repellent agent and is characterized in that the falling angle of 20 µl of hexadecane or pentadecane on the filter surface is 60° or less.

Inventors:
FUJIWARA, Keiko (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
KUROKI, Yuta (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
YAMAMOTO, Hajime (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
ONOHARA, Asuka (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
Application Number:
JP2016/003453
Publication Date:
February 02, 2017
Filing Date:
July 25, 2016
Export Citation:
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Assignee:
NITTO DENKO CORPORATION (1-2 Shimohozumi 1-chome, Ibaraki-shi Osaka, 80, 〒5678680, JP)
International Classes:
B01D39/16; B01D67/00; B01D69/02; B01D71/36
Foreign References:
JP2011233518A2011-11-17
JPH04288349A1992-10-13
JP2008018679A2008-01-31
JP2010180971A2010-08-19
JP2014042878A2014-03-13
JP2002035558A2002-02-05
JP2008012418A2008-01-24
JP2008189705A2008-08-21
JPH05166546A1993-07-02
Attorney, Agent or Firm:
KAMADA, Koichi (8th Fl, UMEDA PLAZA BLDG. ANNEX 4-3-25, Nishitenma, Kita-ku, Osaka-sh, Osaka 47, 〒5300047, JP)
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