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US Patent 11827811 Flexible hardcoat

Patent 11827811 was granted and assigned to 3M on November, 2023 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Steven D. Solomonson0

John J. Stradinger0

Peter D. Condo0

David Scott Thompson0

Richard J. Pokorny0

Catherine A. Leatherdale0

Date of Patent

November 28, 2023

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Patent Application Number

176039790

Date Filed

May 4, 2020

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Patent Citations

US Patent 7491441 High refractive index, durable hard coats

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US Patent 8343622 Flexible high refractive index hardcoat

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US Patent 9016858 Optical article containing self-healing and abrasion-resistant coatings

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US Patent 9676960 Composition for making hard coating layer

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US Patent 9706649 Plastic substrate, method for producing the same and touch screen panel containing the same

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US Patent 9780318 Protective display film

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US Patent 9709707 Optical article containing self-healing and abrasion-resistant coatings

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US Patent 6841190 Antisoiling hardcoat

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Patent Primary Examiner

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Patent abstract

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

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