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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9044706 B1

PDFFull Text
Date of Patent:
Jun. 02, 2015

Filed:

Mar. 23, 2011

Water-proof air-permeable filter and use of the same

Applicants:

Satoru Furuyama, Osaka, JP;

Satoshi Sakuma, Osaka, JP;

Yozo Nagai, Osaka, JP;

Junichi Moriyama, Osaka, JP;

Inventors:

Satoru Furuyama, Osaka, JP;

Satoshi Sakuma, Osaka, JP;

Yozo Nagai, Osaka, JP;

Junichi Moriyama, Osaka, JP;

Assignee:

Nitto Denko Corporation, Osaka, JP;

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Jason M Greene

Assistant Examiner:

Anthony Shumate

Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/26 (2006.01); B01D 39/16 (2006.01); B01D 65/00 (2006.01); B32B 3/08 (2006.01); B32B 3/26 (2006.01); H05K 5/02 (2006.01); B01D 46/54 (2006.01); B01D 69/10 (2006.01); B32B 5/32 (2006.01); H05K 7/20 (2006.01); B01D 67/00 (2006.01); B01D 71/32 (2006.01);
U.S. Cl.
CPC ...
B01D 53/268 (2013.01); B01D 39/1692 (2013.01); B01D 65/003 (2013.01); B01D 2313/04 (2013.01); B32B 3/08 (2013.01); B32B 3/266 (2013.01); B32B 2307/724 (2013.01); B32B 2307/7265 (2013.01); H05K 5/0213 (2013.01); B01D 39/16 (2013.01); B01D 46/54 (2013.01); B01D 69/10 (2013.01); B32B 5/32 (2013.01); H05K 7/20 (2013.01); B01D 67/0088 (2013.01); B01D 71/32 (2013.01); B01D 2323/283 (2013.01); B01D 2325/38 (2013.01);
Abstract

A water-proof air-permeable filter () includes: a resin film () having formed therein a plurality of through pores (); a treated layer () having hydrophobicity and oil repellency, and formed on at least one of both surfaces in the thickness direction of the resin film () such that the treated layer () has openings () at positions corresponding to the through pores (); and a loop-shaped double-sided tape () stuck to an edge region of one of both surfaces in the thickness direction of the resin film (), with the treated layer () interposed therebetween.

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