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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 12767861 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Jan. 26, 2022

Release liner for silicone adhesive layer, and laminate and roll body including the release liner

Applicant:

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

Inventors:

Toshihiro Suwa, Tokyo, JP;

Katsumasa Nemoto, Kanagawa, JP;

Assignee:

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

Attorney:

Ann K. Gallagher

Primary Examiner:

Blaine Copenheaver

Int. Cl.
CPC ...
C09J 7/40 (2018.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/10 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); C08F 220/18 (2006.01); C08J 7/04 (2020.01); C09D 133/08 (2006.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
C09J 7/401 (2018.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/10 (2013.01); B32B 27/308 (2013.01); B32B 27/36 (2013.01); C08F 220/1818 (2020.02); C08J 7/042 (2013.01); C09D 133/08 (2013.01); C09J 7/405 (2018.01); B32B 2405/00 (2013.01); C08J 2367/00 (2013.01); C08J 2433/08 (2013.01); C09J 7/38 (2018.01); C09J 2433/005 (2013.01);
Abstract

Object To provide a non-fluorine-based release liner having excellent heat-resistant stability of releasability and release strength that may be applied to a silicone adhesive layer, and a laminate and a roll body including the release liner. Resolution Means A release liner for a silicone adhesive layer according to an embodiment of the present disclosure includes a substrate and a release layer on at least one surface of the substrate, and the release layer contains poly(meth)acrylic acid ester, the poly(meth)acrylic acid ester is a polymer of a polymerizable component containing an alkyl (meth)acrylate monomer having a branched alkyl group having 8 or more carbon atoms.

Find Patent Forward Citations

Suwa, Toshihiro. (2026). Release liner for silicone adhesive layer, and laminate and roll body including the release liner (U.S. Patent No. 12767861). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12767861

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

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