ACRYLIC COPOLYMER, OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20150369963A1
SERIAL NO

14646894

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

There are provided an optical film having both low orientation birefringence and low photoelastic birefringence and, at the same time, having excellent transparency and heat resistance, and a polarizing plate including the optical film and a liquid crystal display device. An acrylic copolymer according to the present invention includes as constituent units 0.5 to 35% by mass of N-aromatic substituted maleimide units and 60 to 85% by mass of alkyl (meth)acrylate units having a negative intrinsic birefringence in terms of a homopolymer.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
KEIO UNIVERSITY15-45 MITA 2-CHOME MINATO-KU TOKYO 108-8345
JX NIPPON OIL & ENERGY CORPORATION6-3 OTEMACHI 2-CHOME CHIYODA-KU TOKYO 100-8162

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KOIKE, Yasuhiro Kanagawa-ken, JP 136 2905
MATSUMURA, Yasuo Tokyo-to, JP 153 914
MATSUO, Akira Tokyo-to, JP 60 510
TAGAYA, Akihiko Kanagawa-ken, JP 1 0
UCHIZAWA, Sayako Tokyo-to, JP 7 5

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • C08J Class
  • 0 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges14851365139612201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 800255075100125150175200225250275300325350375400425450475500525550

Forward Cite Landscape

Load Citation