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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 11969977 B1

PDFFull Text
Date of Patent:
Apr. 30, 2024

Filed:

Dec. 15, 2020

Liquid-repellent structure, production method thereof, wrapping material, and separation sheet

Applicant:

Toppan Printing Co., Ltd., Tokyo, JP;

Inventors:

Ryoji Kato, Tokyo, JP;

Kosuke Kinoshita, Tokyo, JP;

Masayoshi Suzuta, Tokyo, JP;

Mina Sekikawa, Tokyo, JP;

Assignee:

TOPPAN PRINTING CO., LTD., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Cheng Yuan Huang

Int. Cl.
CPC ...
B32B 27/20 (2006.01); B32B 5/16 (2006.01); B32B 27/08 (2006.01); B32B 27/26 (2006.01); B32B 27/30 (2006.01); B32B 37/24 (2006.01); C08K 7/00 (2006.01); C09D 7/40 (2018.01); C09D 127/12 (2006.01); C09D 133/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/20 (2013.01); B32B 5/16 (2013.01); B32B 27/08 (2013.01); B32B 27/26 (2013.01); B32B 27/308 (2013.01); B32B 37/24 (2013.01); C08K 7/00 (2013.01); C09D 7/67 (2018.01); C09D 7/68 (2018.01); C09D 7/69 (2018.01); C09D 127/12 (2013.01); C09D 133/00 (2013.01); B32B 2037/243 (2013.01); B32B 2264/301 (2020.08); B32B 2264/302 (2020.08); B32B 2274/00 (2013.01); B32B 2305/72 (2013.01); B32B 2307/73 (2013.01); B32B 2333/00 (2013.01); B32B 2439/60 (2013.01); C08K 2201/005 (2013.01);
Abstract

The liquid-repellent structure comprises a major surface to which liquid repellency is imparted, and a liquid-repellent layer formed on the major surface; wherein the liquid-repellent layer contains a scale-like filler having an average particle size of 0.1 to 6 μm, inclusive, a thermoplastic resin, and a fluorine compound, and has aggregates containing the scale-like filler; and the ratio W/(W+W) of the mass Wof the scale-like filler contained in the liquid-repellent layer to the sum (W+W) of the mass Wof the thermoplastic resin and the mass Wof the fluorine compound contained in the liquid-repellent layer is 0.1 to 10 inclusive.

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