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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 12703777 B1

PDFFull Text
Date of Patent:
Aug. 11, 2026

Filed:

Mar. 23, 2021

Laminate

Applicants:

Daicel Corporation, Osaka, JP;

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Naotaka Nishio, Tokyo, JP;

Shinji Maetani, Tokyo, JP;

Takahiro Sakakibara, Tokyo, JP;

Ryosuke Ieki, Tokyo, JP;

Takema Nakazawa, Osaka, JP;

Masaya Kasai, Osaka, JP;

Takahisa Sueoka, Osaka, JP;

Assignees:

DAICEL CORPORATION, Osaka, JP;

DAIKIN INDUSTRIES, LTD., Osaka, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Chinessa T Golden

Int. Cl.
CPC ...
C08J 9/36 (2006.01); B01D 69/02 (2006.01); B01D 71/58 (2006.01); B32B 3/28 (2006.01); B32B 27/16 (2006.01); B32B 27/32 (2006.01); C08F 220/36 (2006.01); C08F 220/68 (2006.01); C08J 7/04 (2020.01); C09D 133/06 (2006.01); C09D 133/14 (2006.01); F24F 12/00 (2006.01); F28D 9/00 (2006.01); F28D 21/00 (2006.01); F28F 21/06 (2006.01);
U.S. Cl.
CPC ...
C08J 9/365 (2013.01); B01D 69/02 (2013.01); B01D 71/58 (2013.01); B32B 3/28 (2013.01); B32B 27/16 (2013.01); B32B 27/32 (2013.01); C08F 220/36 (2013.01); C08F 220/68 (2013.01); C08J 7/0427 (2020.01); C09D 133/062 (2013.01); C09D 133/14 (2013.01); F24F 12/006 (2013.01); F28D 9/0062 (2013.01); F28D 21/0014 (2013.01); F28D 21/0015 (2013.01); F28F 21/065 (2013.01); B01D 2325/20 (2013.01); B01D 2325/36 (2013.01); B01D 2325/38 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/724 (2013.01); C08J 2323/02 (2013.01); C08J 2433/10 (2013.01); C08J 2433/14 (2013.01); F28F 2245/02 (2013.01); F28F 2245/04 (2013.01); Y02B 30/56 (2013.01);
Abstract

The present disclosure provides a laminate having low air permeability and excellent moisture permeability, a partition member for total heat exchange element composed of the laminate, a total heat exchange element provided with a plurality of the partition members for total heat exchange element, and a ventilation device provided with the total heat exchange element. The laminate of the present disclosure is provided with a porous substrate and a moisture-permeable membrane disposed on one side of the porous substrate, the moisture-permeable membrane being provided with a porous substrate and a moisture-permeable membrane disposed on at least one side of the porous substrate, and the moisture-permeable membrane being formed of a thermoplastic copolymer having a side chain containing a hydrophilic group which is a functional group.

Find Patent Forward Citations

Nishio, Naotaka. (2026). Laminate (U.S. Patent No. 12703777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12703777

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

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