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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 10792900 B1

PDFFull Text
Date of Patent:
Oct. 06, 2020

Filed:

Apr. 28, 2017

Sheet for absorbing moisture

Applicant:

Dynic Corporation, Kyoto-shi, JP;

Inventors:

Nobuo Ose, Inugami-gun, JP;

Kaneto Ohyama, Inugami-gun, JP;

Assignee:

DYNIC CORPORATION, Kyoto-shi, JP;

Attorney:

Locke Lord LLP

Primary Examiner:

Sheeba Ahmed

Int. Cl.
CPC ...
B32B 27/30 (2006.01); B32B 27/18 (2006.01); B32B 7/12 (2006.01); B32B 5/02 (2006.01); B01D 53/28 (2006.01); C08K 9/04 (2006.01); C08L 27/12 (2006.01); C08K 3/00 (2018.01); B01J 20/04 (2006.01); C08K 3/22 (2006.01); H01L 23/02 (2006.01); H01L 23/26 (2006.01); B01D 53/26 (2006.01); B01J 20/28 (2006.01); B01J 20/02 (2006.01); B01J 20/30 (2006.01); B32B 27/32 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
B32B 27/18 (2013.01); B01D 53/261 (2013.01); B01D 53/28 (2013.01); B01J 20/0281 (2013.01); B01J 20/041 (2013.01); B01J 20/045 (2013.01); B01J 20/28004 (2013.01); B01J 20/28033 (2013.01); B01J 20/28059 (2013.01); B01J 20/3007 (2013.01); B32B 5/02 (2013.01); B32B 7/12 (2013.01); B32B 27/30 (2013.01); B32B 27/304 (2013.01); B32B 27/322 (2013.01); C08K 3/22 (2013.01); C08L 27/12 (2013.01); H01L 23/02 (2013.01); H01L 23/26 (2013.01); B32B 2307/728 (2013.01); C08K 9/04 (2013.01); C08K 2003/2206 (2013.01); C08K 2201/003 (2013.01); C08K 2201/006 (2013.01); H01L 51/5237 (2013.01); H01L 51/5259 (2013.01);
Abstract

A moisture-absorbing sheet including a hygroscopic molded article containing a resin component and a hygroscopic agent, wherein (1) calcium oxide-based particles having a specific surface area of 0.5 m/g to 20 m/g and an average particle diameter of 0.5 μm to 50 μm are included as the hygroscopic agent; (2) a fibrillated fluororesin is included as the resin component; and (3) the sheet has: (a) a weight increase ratio of 1% or less after being allowed to stand for 2 hours in an atmosphere at a temperature of 20° C. and a relative humidity of 65%; and (b) a weight increase ratio of 5% or more after being allowed to further stand for 36 hours after being allowed to stand for 36 hours in an atmosphere at a temperature of 20° C. and a relative humidity of 65%.

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