Title:
ANTHRAQUINONE COMPOUND, LIQUID CRYSTAL COMPOSITION CONTAINING SAID COMPOUND, AND DIMMING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/220212
Kind Code:
A1
Abstract:
The present invention is an anthraquinone compound represented by formula (1) (in the formula, R1 represents a hydrogen atom, a C1-C12 linear or branched alkyl group, or a C1-C12 linear or branched alkoxy group, and R2 represents a substituent represented by: formula (a) (in formula (a), R3 represents a hydrogen atom, a C1-C8 linear or branched alkyl group, a C1-C8 linear or branched alkoxy group, or a substituent represented by -CH2OR4, where R4 represents a C1-C8 linear or branched alkyl group); or formula (b) (in formula (b), R5 represents a hydrogen atom, a C1-C8 linear or branched alkyl group, or a substituent represented by -CH2OR6, where R6 represents a C1-C8 linear or branched alkyl group)).
Inventors:
OHTANI KOHEI (JP)
SHIRAISHI MASAKAZU (JP)
MUTO HITOMI (JP)
SUZUKI SAORI (JP)
OGAWA KANAE (JP)
SHIRAISHI MASAKAZU (JP)
MUTO HITOMI (JP)
SUZUKI SAORI (JP)
OGAWA KANAE (JP)
Application Number:
PCT/JP2022/017467
Publication Date:
October 20, 2022
Filing Date:
April 11, 2022
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
C07C323/21; C09K19/60; G02F1/13
Domestic Patent References:
| WO1987002688A1 | 1987-05-07 |
Foreign References:
| JP2011190314A | 2011-09-29 | |||
| JPS6372760A | 1988-04-02 | |||
| JPS6372759A | 1988-04-02 | |||
| JPS6264865A | 1987-03-23 | |||
| JPS63278969A | 1988-11-16 | |||
| JPS6372760A | 1988-04-02 | |||
| JPS62101657A | 1987-05-12 |
Other References:
"Committee of Japan Society for the Promotion of Science", 1989, NIKKAN KOGYO SHIMBUN, LTD., article "Liquid Crystal Device Handbook"
Attorney, Agent or Firm:
ASAMURA IP P.C. (JP)
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