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Title:
【発明の名称】アントラキノン系黄色色素及び該色素を用いた偏光フィルム
Document Type and Number:
Japanese Patent JP2955329
Kind Code:
B2
Abstract:
NEW MATERIAL:A compound expressed by formula I (Z is CH=N or CH=CH). EXAMPLE:A compund expressed by formula II. USE:Used as yellow dichronic coloring matter for a light-polarizing film. Said compound has excellent durability. PREPARATION:An anthraquinone-based compound expressed by formula III is made to react with a compound expressed by formula IV [R1 is NH2, X<-> R2P<+>-CH2- (R2 is phenyl, methyl or ethyl; X is halogen) or (R2O)2(PO)-CH2-] in the presence of a solvent.

Inventors:
MISAWA TSUTAYOSHI
AKAHORI HIROYUKI
OGISO AKIRA
ITO NAOTO
Application Number:
JP14996490A
Publication Date:
October 04, 1999
Filing Date:
June 11, 1990
Export Citation:
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Assignee:
MITSUI KAGAKU KK
International Classes:
G02B5/30; C09B1/06; C09B6/00; C09B23/00; C09B55/00; G02B1/08; (IPC1-7): C09B6/00; C09B1/06; C09B23/00; C09B55/00; G02B1/08; G02B5/30
Domestic Patent References:
JP1103667A