Polarizing plate protective film, dope composition, method for manufacturing polarizing plate protective film, polarizing plate, and liquid crystal display device

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United States of America Patent

PATENT NO 9751999
SERIAL NO

15138754

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Abstract

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A polarizing plate protective film containing an acrylic resin, in which the acrylic resin includes a methyl methacrylate unit a, a mass fraction of an alkyl (meth)acrylate unit b other than methyl methacrylate is less than 5 mass %, a weight average molecular weight is 250,000 to 4,000,000, and a weight decreasing amount at the time of being heated at 140° C. for 1 hour is less than or equal to 0.5%, has excellent heat resistance and an excellent surface shape; a dope composition; a method for manufacturing a polarizing plate protective film; a polarizing plate; and a liquid crystal display device.

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Patent Owner(s)

  • FUJIFILM CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arita, Shusuke Kanagawa, JP 22 32
Nakayama, Hajime Kanagawa, JP 73 588
Nozoe, Yutaka Kanagawa, JP 54 213
Sasata, Katsumi Kanagawa, JP 65 94

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