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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 12528267 B1

PDFFull Text
Date of Patent:
Jan. 20, 2026

Filed:

Nov. 29, 2021

Sheet having closed cell layer

Applicant:

Dongsung Chemical Co., Ltd., Busan, KR;

Inventors:

Sumi Park, Busan, KR;

Keunmo Kim, Busan, KR;

Assignee:

DONGSUNG CHEMICAL CO., LTD., Busan, KR;

Attorney:

Scully, Scott, Murphy & Presser, P.C.

Primary Examiner:

Zachary M Davis

Int. Cl.
CPC ...
B32B 3/28 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/36 (2006.01); C08J 5/12 (2006.01); C08J 7/04 (2020.01); C08L 67/02 (2006.01);
U.S. Cl.
CPC ...
B32B 3/28 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/36 (2013.01); C08J 5/121 (2013.01); C08J 7/0427 (2020.01); C08L 67/02 (2013.01); B32B 2250/244 (2013.01); B32B 2255/10 (2013.01); B32B 2270/00 (2013.01); B32B 2307/4023 (2013.01); B32B 2307/56 (2013.01); B32B 2307/7163 (2013.01); C08J 2367/02 (2013.01); C08J 2467/04 (2013.01); C08L 2201/06 (2013.01); C08L 2203/16 (2013.01); C08L 2205/025 (2013.01);
Abstract

The present invention relates to a sheet having a closed cell layer and, in particular, to an eco-friendly sheet including a plurality of closed cells formed on an eco-friendly resin film, and a print portion on which a predetermined image is printed. The sheet according to the present invention may be prevented from deforming or breaking even from external shocks or severe external environmental conditions, may improve the shape retention of closed cells, the elastic retention of closed cells, and the shape durability of the sheet, may be distinguished due to printing of a specific image, and may have environment-friendly advantages.

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Park, Sumi. (2026). Sheet having closed cell layer (U.S. Patent No. 12528267). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12528267

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