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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 12473467 B1

PDFFull Text
Date of Patent:
Nov. 18, 2025

Filed:

Jan. 04, 2021

Polyurethane-based uv-curable composition, adhesive film comprising the same, adhesive tape and bonded member

Applicant:

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

Inventors:

Lijing Zhang, Shanghai, CN;

Fan Gao, Shanghai, CN;

Guoliang Zhang, Shanghai, CN;

Assignee:

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

Attorneys:

Jean A. Lown

Julie Lapos-Kuchar

Primary Examiner:

Sanza L Mcclendon

Int. Cl.
CPC ...
C09J 7/40 (2018.01); C08L 75/08 (2006.01); C09J 7/10 (2018.01); C09J 7/38 (2018.01); C09J 11/08 (2006.01); C09J 175/08 (2006.01);
U.S. Cl.
CPC ...
C09J 7/403 (2018.01); C08L 75/08 (2013.01); C09J 7/10 (2018.01); C09J 7/38 (2018.01); C09J 11/08 (2013.01); C09J 175/08 (2013.01); C09J 2467/005 (2013.01);
Abstract

The present invention relates to a novel polyurethane-based UV-curable composition, comprising a low-crystallinity polyurethane polymer, a multifunctional thiol compound, a multifunctional epoxy resin compound, a photobase generator, and an optional photosensitizer. Adhesive films, adhesive tapes, and bonded members with excellent initial bonding performance, die cutting performance, overlap strength and drop-resistance performance may be obtained by using the polyurethane-based UV-curable composition provided by the present invention.

Find Patent Forward Citations

Zhang, Lijing. (2025). Polyurethane-based uv-curable composition, adhesive film comprising the same, adhesive tape and bonded member (U.S. Patent No. 12473467). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12473467

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

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