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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 12403672 B1

PDFFull Text
Date of Patent:
Sep. 02, 2025

Filed:

Mar. 10, 2022

Laminate, adhesive kit, laminated structure and production method thereof, and contact adhesive composition

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Hidetoshi Abe, Yamagata Pref., JP;

Yuji Kashiwazaki, Yamagata Pref., JP;

Mamoru Kanno, Yamagata Pref., JP;

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);

Attorney:

Jeffrey M. Olofson

Primary Examiner:

Cheng Yuan Huang

Int. Cl.
CPC ...
B32B 7/12 (2006.01); C09J 7/20 (2018.01); C09J 7/38 (2018.01); C09J 9/00 (2006.01); C09J 11/08 (2006.01); C09J 111/00 (2006.01); C09J 111/02 (2006.01); C09J 133/06 (2006.01); C09J 157/06 (2006.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); C09J 7/20 (2018.01); C09J 7/381 (2018.01); C09J 9/00 (2013.01); C09J 11/08 (2013.01); C09J 111/00 (2013.01); C09J 111/02 (2013.01); C09J 133/06 (2013.01); C09J 157/06 (2013.01); C08K 2201/005 (2013.01); C08L 2205/22 (2013.01); C09J 2301/312 (2020.08); C09J 2301/408 (2020.08); C09J 2301/412 (2020.08); C09J 2411/00 (2013.01); C09J 2411/003 (2013.01); C09J 2433/00 (2013.01); C09J 2433/003 (2013.01); Y10T 428/254 (2015.01);
Abstract

A laminate comprising a substrate layer; a contact adhesive layer comprising a contact adhesive agent having at least one of chloroprene rubber or acrylic copolymers, as well as microspheres having an average particle size of 0.5 μm or greater in the contact adhesive layer, wherein the contact adhesive layer contains from 5 parts by mass to 500 parts by mass of the microspheres per 100 parts by mass of the contact adhesive agent, and the contact adhesive layer has a plurality of protruding portions because of the the microspheres.

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