Stretched optical compensation film

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United States of America Patent

PATENT NO 9804314
SERIAL NO

15207997

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Abstract

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Disclosed is a stretched optical compensation film which is a phase difference film containing a cellulose-based resin and having excellent optical properties. The stretched optical compensation film of the present invention contains 0.5 to 30 parts by mass of a β-diketone compound represented by Formula (I) with respect to 100 parts by mass of the cellulose-based resin. Positions R1 and R2 each independently represent an alkyl group having 1 to 20 carbon atoms which is optionally substituted, an arylalkyl group having 7 to 20 carbon atoms which is optionally substituted or an aryl group having 6 to 20 carbon atoms which is optionally substituted. Position R3 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms.

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Patent Owner(s)

Patent OwnerAddress
ADEKA CORPORATION7-2-35 HIGASHI-OGU ARAKAWA-KU TOKYO 116-8554

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Yuki Saitama, JP 107 757
Harada, Masashi Saitama, JP 42 611
Murakami, Takashi Saitama, JP 234 2395
Segawa, Masaki Saitama, JP 7 5
Tanaka, Yuki Saitama, JP 209 768

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