Durable optical element

United States of America Patent

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Feb 20, 2007
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Sep 10, 2004
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Sep 12, 2003

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Abstract

A durable optical film includes a polymerized optical film structure having a microstructured surface and a scratch contrast ratio value in a range of 1.0 to 1.65 or 1.0 to 1.15. These durable optical films can include a plurality of nanoparticles and a rounded prism apexes microstructure.

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3M INNOVATIVE PROPERTIES COMPANY	P O BOX 33427 ST PAUL MN 55133-3427

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B81B:MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-ME....

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Inventor Name	Address	# of filed Patents	Total Citations
Brady, John T	Lino Lakes, MN	27	850
Goenner, Emily S	Shoreview, MN	40	1325
Haak, Christopher A	Oakdale, MN	38	877
Jones, Clinton L	Somerset, WI	50	1219
Kolb, Brant U	Afton, MN	118	4112

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Durable optical element

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10939184

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US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 20, 2007	US,7179513,B2 US7179513B2	GRANTED PATENT AS SECOND PUBLICATION
July 14, 2005	US,20050151119,A1 US20050151119A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	7179513
SERIAL NO	10939184
DOCKET NO

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10939184

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