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Title:
ISOINDOLINE DYE
Document Type and Number:
Japanese Patent JP2022121464
Kind Code:
A
Abstract:
To provide an isoindoline dye having high contrast and small phase difference.SOLUTION: An isoindoline dye has, in a powder X-ray diffraction intensity curve, A (25-30°)/A (10-15°) satisfying 0.4 or more and 5 or less, which is the ratio between A (10-15°) of the total of peak area values with diffraction angle (2θ) of 10.0°or more and 15.0° or less, and A (25-30°) of the total of peak area values with diffraction angle (2θ) of 25.0° or more and 30.0° or less.SELECTED DRAWING: None

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Inventors:
HAMAKI YUJI
TOGAI MANABU
Application Number:
JP2022094898A
Publication Date:
August 19, 2022
Filing Date:
June 13, 2022
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO LTD
International Classes:
C09B57/04; G02B5/20; G02F1/1335; G03F7/004; G09F9/30; H01L27/32; H01L51/50; H05B33/12
Domestic Patent References:
JPS57143363A1982-09-04
JP2010229098A2010-10-14
JPS5188516A1976-08-03
JPS5512106A1980-01-28
JPS5565257A1980-05-16
JP2003003088A2003-01-08
JP2009120777A2009-06-04
Foreign References:
US4645539A1987-02-24
Attorney, Agent or Firm:
Asfi International Patent Office



 
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