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.:
Date of Patent:
Jul. 11, 2023
Filed:
Nov. 02, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sle Lee, Daejeon, KR;
Ho Kyung Song, Daejeon, KR;
Jae Sung Hong, Daejeon, KR;
Jun Man Choi, Daejeon, KR;
Jang Soon Kim, Daejeon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/30 (2018.01); C09J 7/10 (2018.01); C09J 133/08 (2006.01); C09J 133/10 (2006.01); C08F 220/30 (2006.01); C08F 2/50 (2006.01);
U.S. Cl.
CPC ...
C09J 7/30 (2018.01); C08F 2/50 (2013.01); C08F 220/301 (2020.02); C09J 7/10 (2018.01); C09J 133/08 (2013.01); C09J 133/10 (2013.01); B32B 2405/00 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); C09J 2203/318 (2013.01); C09J 2203/326 (2013.01); C09J 2301/208 (2020.08); C09J 2433/00 (2013.01); C09K 2323/05 (2020.08); C09K 2323/057 (2020.08);
Abstract
A multilayer adhesive tape is provided, including: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer sequentially. At least one of the first outer adhesive layer and the second outer adhesive layer includes a cured product of an outer adhesive composition including a high molecular weight prepolymer having a weight average molecular weight of 100,000 g/mol or more and 1,500,000 g/mol or less and a low molecular weight prepolymer having a weight average molecular weight of 1,000 g/mol or more and 80,000 g/mol or less.