| 摘要 |
Novel ultraviolet-absorbing bisbenzotriazolylphenols represented by general formula (1), wherein A is nil, C1-C6 alkylene, -C(CH3)2-, -C(C2H5)(CH3)-, -O- or -NH-; R<1> and R<3> are each independently hydrogen, C1-C4 alkyl, aryl, C1-C4 alkoxy or halogeno; and R<2> and R<4> are each independently hydroxyl or C1-C12 linear or branched hydroxyalkyl.
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| 申请人 |
OTSUKA KAGAKU KABUSHIKI KAISHA;MORI, KOJI;DAIMON, EMIKO;ISHIDA, KOJI;NAKANO, SHINJI;OGAWA, TAKASHI;KAWANO, KAZUHIRO;AKADA, MITSUO |
发明人 |
MORI, KOJI;DAIMON, EMIKO;ISHIDA, KOJI;NAKANO, SHINJI;OGAWA, TAKASHI;KAWANO, KAZUHIRO;AKADA, MITSUO |
