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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 10954413 B1

PDFFull Text
Date of Patent:
Mar. 23, 2021

Filed:

Jul. 01, 2015

Optically clear pressure sensitive adhesive article

Applicant:

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

Inventor:

Jason D. Clapper, Lino Lakes, MN (US);

Assignee:

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

Attorney:
Primary Examiner:

Frank D Ducheneaux

Int. Cl.
CPC ...
C09J 7/38 (2018.01); C09J 7/40 (2018.01); C09J 5/06 (2006.01); C09J 133/08 (2006.01); C08K 9/06 (2006.01); B32B 7/12 (2006.01); B32B 37/12 (2006.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
C09J 7/385 (2018.01); B32B 7/12 (2013.01); B32B 37/12 (2013.01); B32B 38/0008 (2013.01); C09J 5/06 (2013.01); C09J 7/40 (2018.01); C09J 133/08 (2013.01); B32B 2405/00 (2013.01); B32B 2551/00 (2013.01); C08K 9/06 (2013.01); C09J 2203/318 (2013.01); C09J 2301/122 (2020.08); C09J 2301/302 (2020.08); C09J 2301/312 (2020.08); C09J 2301/408 (2020.08); C09J 2301/416 (2020.08); C09J 2433/00 (2013.01);
Abstract

An optically clear pressure sensitive adhesive article is described herein that includes a pressure sensitive adhesive film disposed on a substrate. The pressure sensitive adhesive film includes an optically clear adhesive composition formed by polymerizing a mixture of monomers that includes at least one (C1-C18)alkyl (meth)acrylate monomer and at least one polar (meth)acrylate monomer, and surface-modified fumed silica disposed in the optically clear pressure sensitive adhesive composition. The pressure sensitive adhesive film has a haze value in a range of 0 to 5% and a visible light transmittance value of 85 to 100%. Methods for making an optically clear pressure sensitive adhesive article are also described.

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