Multilayer optical film

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United States of America Patent

PATENT NO 9477011
APP PUB NO 20130101816A1
SERIAL NO

13638269

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Abstract

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Multilayer optical film that can be used as a reflective polarizer or mirror is disclosed. The multilayer optical film comprises alternating optical layers of polyesters such as PET and PEN, copolymerized with 4,4′-biphenyl dicarboxylate. The multilayer optical film exhibits a high ratio of in-plane to out-of-plane birefringence.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 SAINT PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johnson, Stephen A Woodbury, US 165 1769
Liu, Yufeng Woodbury, US 57 333
Yust, David T Woodbury, US 40 341

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