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.

Date of Patent:
Dec. 06, 2022

Filed:

Apr. 23, 2019
Applicant:

Nitto Denko Corporation, Ibaraki, JP;

Inventors:

Yuha Okazaki, Osaka, JP;

Yasuhiro Uda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/10 (2006.01); B01D 65/08 (2006.01); C02F 1/44 (2006.01);
U.S. Cl.
CPC ...
B01D 63/10 (2013.01); B01D 2313/143 (2013.01); B01D 2321/2008 (2013.01);
Abstract

A flow path spacer () of the present disclosure includes a plurality of first linear portions () and a plurality of second linear portions (). There are a first pair (P), a second pair (P), and a third pair (P), the first pair (P) is at least one selected from a pair of the first linear portions () adjacent to each other and disposed at a first interval (W) and a pair of the second linear portions () adjacent to each other and disposed at a first interval (W), the second pair (P) is at least one selected from a pair of the first linear portions () adjacent to each other and disposed at a second interval (W) narrower than the first interval (W) and a pair of the second linear portions () adjacent to each other and disposed at a second interval (W) narrower than the first interval (W), and the third pair (P) is at least one selected from a pair of the first linear portions () adjacent to each other and disposed at a third interval (W) narrower than the second interval (W) and a pair of the second linear portions () adjacent to each other and disposed at a third interval (W) narrower than the second interval (W).


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