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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 12338376 B1

PDFFull Text
Date of Patent:
Jun. 24, 2025

Filed:

Mar. 19, 2019

Adhesive, laminated film, and production method for laminated film

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Tomoo Okubo, Sakura, JP;

Shigekazu Takahashi, Tokyo, JP;

Daiki Tomita, Tokyo, JP;

Assignee:

DIC CORPORATION, Tokyo, JP;

Attorney:

WHDA, LLP

Primary Examiner:

Alex B Efta

Int. Cl.
CPC ...
C09J 175/06 (2006.01); B32B 37/12 (2006.01); C08G 18/12 (2006.01); C08G 18/28 (2006.01); C08G 18/32 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/50 (2006.01); C08G 18/76 (2006.01); C09J 7/22 (2018.01); C09J 7/28 (2018.01); C09J 7/29 (2018.01); C09J 175/08 (2006.01); C09J 175/12 (2006.01);
U.S. Cl.
CPC ...
C09J 175/06 (2013.01); B32B 37/12 (2013.01); C08G 18/12 (2013.01); C08G 18/2855 (2013.01); C08G 18/3206 (2013.01); C08G 18/4202 (2013.01); C08G 18/4833 (2013.01); C08G 18/5045 (2013.01); C08G 18/7657 (2013.01); C09J 7/22 (2018.01); C09J 7/28 (2018.01); C09J 7/29 (2018.01); C09J 175/08 (2013.01); C09J 175/12 (2013.01); C08G 2170/40 (2013.01); C08G 2390/00 (2013.01); C09J 2301/30 (2020.08); C09J 2475/00 (2013.01);
Abstract

Provided are an adhesive including a polyisocyanate composition (X) containing a polyisocyanate (A), and a polyol composition (Y) containing a tertiary amine compound (B) having plural hydroxyl groups, a polyol (C), and an aliphatic cyclic amide compound (D), as essential components, a laminated film using the adhesive, and a method for producing a laminated film including a step of separately applying two components, which includes bringing a polyisocyanate composition (X) containing a polyisocyanate (A) that is applied onto one base material into contact with a polyol composition (Y) containing a tertiary amine compound (B) having plural hydroxyl groups, a polyol (C), and an aliphatic cyclic amide compound (D) that is applied onto the other base material, and performing pressure-bonding.

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