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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 12623444 B1

PDFFull Text
Date of Patent:
May. 12, 2026

Filed:

Mar. 23, 2021

Laminate

Applicants:

Daicel Corporation, Osaka, JP;

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Naotaka Nishio, Tokyo, JP;

Takema Nakazawa, Osaka, JP;

Masaya Kasai, Osaka, JP;

Assignees:

DAICEL CORPORATION, Osaka, JP;

DAIKIN INDUSTRIES, LTD., Osaka, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Hai Vo

Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 3/28 (2006.01); B32B 27/16 (2006.01); C08F 220/12 (2006.01); C08F 220/36 (2006.01); C08F 220/68 (2006.01); 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 3/08 (2006.01); F28F 21/06 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B32B 3/28 (2013.01); B32B 27/16 (2013.01); C08F 220/12 (2013.01); C08F 220/36 (2013.01); C08F 220/68 (2013.01); 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 3/08 (2013.01); F28F 21/065 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/724 (2013.01);
Abstract

Provided is a laminate having low air permeability and excellent moisture permeability in a low temperature and low humidity environment. The laminate is provided with a porous substrate and a moisture-permeable membrane disposed on one side of the porous substrate, the laminate having an air resistance of 3000 seconds/100 cc or greater based on the Gurley method according to JIS P8117-2009 and a first moisture permeability of 300 g/(m·24 h) or greater based on a moisture permeability testing method (the cup method) according to JIS Z0208-1976 under the conditions of a temperature of 5° C., a relative humidity of 45%, and a wind speed of 0.2 m/s or less.

Find Patent Forward Citations

Nishio, Naotaka. (2026). Laminate (U.S. Patent No. 12623444). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12623444

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

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