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.:
Date of Patent:
Sep. 26, 2017
Filed:
Nov. 26, 2014
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventor:
Shiho Uchiyama, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 71/36 (2006.01); B01D 53/26 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 69/12 (2006.01); B01D 61/36 (2006.01); B01D 71/38 (2006.01);
U.S. Cl.
CPC ...
B01D 71/36 (2013.01); B01D 53/22 (2013.01); B01D 53/26 (2013.01); B01D 53/266 (2013.01); B01D 67/0093 (2013.01); B01D 69/02 (2013.01); B01D 69/12 (2013.01); B01D 61/36 (2013.01); B01D 71/38 (2013.01); B01D 2323/02 (2013.01); B01D 2323/30 (2013.01); B01D 2325/04 (2013.01); B01D 2325/36 (2013.01); B01D 2325/38 (2013.01);
Abstract
Provided is a moisture permeable filter medium formed by laminating a hydrophobic layer having hydrophobicity and a hydrophilic layer having hydrophilicity together, in which one of the hydrophobic layer and the hydrophilic layer is composed of a PTFE porous film formed using PTFE, and the other of the hydrophobic layer and the hydrophilic layer is composed of an air permeable sheet to which air is permeable.
Uchiyama, Shiho. (2017). Moisture permeable filter medium (U.S. Patent No. 9770692). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9770692
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile