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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 11827810 B1

PDFFull Text
Date of Patent:
Nov. 28, 2023

Filed:

May. 04, 2020

Flexible hardcoat

Applicant:

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

Inventors:

Peter D. Condo, Lake Elmo, MN (US);

David Scott Thompson, Bayport, MN (US);

John J. Stradinger, Roseville, MN (US);

Catherine A. Leatherdale, Woodbury, MN (US);

Richard J. Pokorny, Maplewood, MN (US);

Steven D. Solomonson, Shoreview, MN (US);

Assignee:

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

Attorney:

Jeffrey M. Olofson

Primary Examiner:

Sheeba Ahmed

Int. Cl.
CPC ...
C08K 3/36 (2006.01); C08K 9/06 (2006.01); C08J 5/18 (2006.01); C08F 2/44 (2006.01); C08F 220/18 (2006.01); C08F 292/00 (2006.01); C09D 4/00 (2006.01); C09D 5/00 (2006.01); C09D 5/02 (2006.01); C09D 133/04 (2006.01); C09D 133/14 (2006.01); C09D 7/62 (2018.01); C09D 7/61 (2018.01); C09D 7/40 (2018.01); C08J 7/04 (2020.01); C08J 7/046 (2020.01);
U.S. Cl.
CPC ...
C09D 7/61 (2018.01); C08J 7/046 (2020.01); C08J 7/0427 (2020.01); C09D 4/00 (2013.01); C09D 7/62 (2018.01); C09D 7/67 (2018.01); C08J 2367/02 (2013.01); C08J 2433/14 (2013.01);
Abstract

A hardcoat composition includes one or more multifunctional (meth)acrylate monomers, and a nanoparticle mixture dispersed within the one or more multifunctional (meth)acrylate monomers. The nanoparticle mixture includes a first population of semi-reactive nanoparticles having an average particle diameter in a range from 5 nm to 60 nm, and a second population of reactive nanoparticles having an average particle diameter in a range from 5 nm to 60 nm.

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