Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTHRAQUINONE COMPOUND, LIQUID CRYSTAL COMPOSITION CONTAINING SAID COMPOUND, AND DIMMING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2023/063408
Kind Code:
A1
Abstract:
An anthraquinone compound represented by formula (1): (where R1 and R4 represent -H, a C1-C12 alkyl group, a C1-C12 alkoxy group, a halogen atom, -CO2R9, -OCOR9, -COR9, a cyano group, or -CF3, R2, R3, R5 and R6 represent -H, a C1-C4 alkyl group, a C1-C4 alkoxy group, a halogen atom, -CO2R9, -OCOR9, -COR9, a cyano group, or -CF3. R7 and R8 represent -H, a C1-C12 alkyl group, or a C1-C12 alkoxy group. R9 represents a C1-C12 alkyl group, or a substituent represented by formula (a) (where R10 represents -H, a C1-C8 alkyl group, or a C1-C8 alkoxy group) or formula (b) (where R11 represents -H or a C1-C8 alkyl group); however, at least one of R1 through R6 represents a halogen atom, -CO2R9, -COR9, a cyano group, or -CF3).

Inventors:
OHTANI KOHEI (JP)
MUTO HITOMI (JP)
HATTORI YU (JP)
SUZUKI SAORI (JP)
Application Number:
PCT/JP2022/038309
Publication Date:
April 20, 2023
Filing Date:
October 14, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
C07C225/36; C09K19/60; G02F1/13; G02F1/137
Foreign References:
US20150218455A12015-08-06
JPH052194A1993-01-08
JPH05173114A1993-07-13
JP2020084149A2020-06-04
CN108663866A2018-10-16
JP2007199333A2007-08-09
JPS5863778A1983-04-15
JPS5790053A1982-06-04
JPS57126879A1982-08-06
US20040087692A12004-05-06
JPS6372760A1988-04-02
Other References:
"Committee of the Japan Society for the Promotion of Science", 1989, THE NIKKAN KOGYO SHIMBUN, LTD., article "Liquid Crystal Device Handbook"
Attorney, Agent or Firm:
ASAMURA IP P.C. (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE AND METHOD, ACCOMMODATION CASE, INFORMA...

Next Patent: CARRIER VEHICLE