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:
Nov. 18, 2025
Filed:
Nov. 22, 2021
Applicant:
Lintec Corporation, Tokyo, JP;
Inventors:
Toshiaki Nagasawa, Saitama, JP;
Ayaka Seto, Saitama, JP;
Kenta Yamazaki, Saitama, JP;
Shinya Suzuki, Toda, JP;
Assignee:
LINTEC CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/38 (2018.01); C09J 7/40 (2018.01); C09J 121/00 (2006.01);
U.S. Cl.
CPC ...
C09J 7/383 (2018.01); C09J 7/40 (2018.01); C09J 121/00 (2013.01); C09J 2301/122 (2020.08); C09J 2301/302 (2020.08); C09J 2401/006 (2013.01); C09J 2423/001 (2013.01); C09J 2423/006 (2013.01); C09J 2467/001 (2013.01); C09J 2475/001 (2013.01);
Abstract
A pressure sensitive adhesive sheet may include a base material and a hot-melt pressure sensitive adhesive layer which contains a softener, and further include a barrier layer disposed between the base material and the hot-melt pressure sensitive adhesive layer, the barrier layer containing at least one selected from the group consisting of a polyester-based resin, a polyurethane-based resin, and a polyolefin-based resin. The polyester-based resin may be at least one of a polyester resin or a modified polyester resin.