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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 12384943 B1

PDFFull Text
Date of Patent:
Aug. 12, 2025

Filed:

Jun. 28, 2019

Both sides coated automotive paint compatible liner for structural adhesive film

Applicant:

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

Inventors:

Stefan B. M. Luebbe, Essen, DE;

Elisabeth Cura, Duesseldorf, DE;

Kanta Kumar, Woodbury, MN (US);

Michael A. Semonick, White Bear Lake, MN (US);

Assignee:

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

Attorneys:

Carlos M. Téllez Rodríguez

3M Innovative Properties Co

Primary Examiner:

Frank D Ducheneaux

Int. Cl.
CPC ...
C09J 7/40 (2018.01); C08K 5/00 (2006.01); C08K 5/101 (2006.01); C08K 5/103 (2006.01); C08L 75/14 (2006.01); B32B 37/26 (2006.01);
U.S. Cl.
CPC ...
C09J 7/403 (2018.01); C08K 5/0025 (2013.01); C08K 5/101 (2013.01); C08K 5/103 (2013.01); C08L 75/14 (2013.01); C09J 7/401 (2018.01); C09J 7/405 (2018.01); B32B 2037/268 (2013.01); B32B 2250/40 (2013.01); C08L 2312/06 (2013.01); C09J 2203/306 (2013.01); C09J 2301/20 (2020.08); C09J 2433/005 (2013.01); C09J 2475/005 (2013.01); Y10T 428/1476 (2015.01);
Abstract

An adhesive film liner comprising (a) a polymeric layer having a first and a second surface, the second surface being opposed to the first surface; (b) a first release layer located on top of the first surface of the polymeric layer, the first release layer comprising at least one polyurethane acrylate oligomer and/or at least one polyurethane methacrylate oligomer; and (c) a second release layer located on top of the second surface layer of the polymeric layer, the second release layer comprising at least one acrylate polymer.

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Luebbe, Stefan B. M.. (2025). Both sides coated automotive paint compatible liner for structural adhesive film (U.S. Patent No. 12384943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12384943

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

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