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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 12698419 B1

PDFFull Text
Date of Patent:
Aug. 04, 2026

Filed:

Jan. 11, 2019

Temperature-changeable adhesive sheet and temperature-changeable adhesive sheet manufacturing method using same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Hui Je Lee, Daejeon, KR;

Yoonkyung Kwon, Daejeon, KR;

Hyun Jee Yoo, Daejeon, KR;

Kyung Yul Bae, Daejeon, KR;

Assignee:

XINMEI FONTANA HOLDING (HONG KONG) LIMITED, Hong Kong, CN;

Attorney:

Ricky Lam

Primary Examiner:

Frank D Ducheneaux

Int. Cl.
CPC ...
C09J 7/29 (2018.01); C08K 5/00 (2006.01); C08K 5/01 (2006.01); C08L 9/00 (2006.01); C08L 33/08 (2006.01); C08L 83/04 (2006.01); C09J 7/20 (2018.01); C09J 7/38 (2018.01); C09J 11/06 (2006.01); C09J 109/00 (2006.01); C09J 123/16 (2006.01); C09J 133/08 (2006.01); C09J 133/10 (2006.01); C09J 183/04 (2006.01); H10K 50/844 (2023.01);
U.S. Cl.
CPC ...
C09J 7/29 (2018.01); C08K 5/0025 (2013.01); C08K 5/01 (2013.01); C08L 9/00 (2013.01); C08L 33/08 (2013.01); C08L 83/04 (2013.01); C09J 7/20 (2018.01); C09J 7/383 (2018.01); C09J 11/06 (2013.01); C09J 109/00 (2013.01); C09J 123/16 (2013.01); C09J 133/08 (2013.01); C09J 133/10 (2013.01); C09J 183/04 (2013.01); B32B 2307/7246 (2013.01); C08L 2205/00 (2013.01); C09J 2203/326 (2013.01); C09J 2301/208 (2020.08); C09J 2301/302 (2020.08); C09J 2301/312 (2020.08); C09J 2301/408 (2020.08); C09J 2409/00 (2013.01); C09J 2423/00 (2013.01); C09J 2433/00 (2013.01); C09J 2483/00 (2013.01); H10K 50/844 (2023.02);
Abstract

A temperature-variable adhesive sheet, and a method for manufacturing a temperature-variable adhesive sheet using the same are provided. The adhesive sheet includes a first adhesive layer and a second adhesive layer consecutively provided on a barrier film, wherein initial adhesive strength between the second adhesive layer and a SUS304 substrate is 200 gf/in or less, and adhesive strength, after 20 minutes passed under a condition of 50° C. and 5 atmospheres, is 400 gf/in or greater.

Find Patent Forward Citations

Lee, Hui. (2026). Temperature-changeable adhesive sheet and temperature-changeable adhesive sheet manufacturing method using same (U.S. Patent No. 12698419). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12698419

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

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