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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 10617986 B1

PDFFull Text
Date of Patent:
Apr. 14, 2020

Filed:

Jul. 25, 2016

Air-permeable filter provided with oil repellency

Applicant:

Nitto Denko Corporation, Osaka, JP;

Inventors:

Keiko Fujiwara, Osaka, JP;

Yuta Kuroki, Osaka, JP;

Hajime Yamamoto, Osaka, JP;

Asuka Onohara, Osaka, JP;

Assignee:

NITTO DENKO CORPORATION, Osaka, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Anthony R Shumate

Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 46/00 (2006.01); B01D 39/16 (2006.01); B01D 69/02 (2006.01); B01D 67/00 (2006.01); B01D 71/36 (2006.01); B01D 69/12 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0027 (2013.01); B01D 39/1661 (2013.01); B01D 39/1692 (2013.01); B01D 67/0088 (2013.01); B01D 69/02 (2013.01); B01D 69/12 (2013.01); B01D 71/36 (2013.01); B01D 2239/0421 (2013.01);
Abstract

The present invention provides an air-permeable filter capable of maintaining excellent air permeation performance without being clogged even in an environment involving exposure to an oil, oil mist, or ink. The present invention relates to an air-permeable filter including a porous membrane having a surface coated with an oil-repellent agent, the filter being characterized in that a sliding angle of 20 μl of hexadecane or pentadecane on the surface of the filter is 60° or less.

Find Patent Forward Citations

Fujiwara, Keiko. (2020). Air-permeable filter provided with oil repellency (U.S. Patent No. 10617986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10617986

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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