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Title:
【発明の名称】インドリノスピロベンゾピラン誘導体のフォトメロシアニン成分からなる結晶、その製造方法並びに該結晶からなるサーモクロミック及びフォトクロミック材料
Document Type and Number:
Japanese Patent JP3165864
Kind Code:
B2
Inventors:
Akira Miyashita
Application Number:
JP4720391A
Publication Date:
May 14, 2001
Filing Date:
March 13, 1991
Export Citation:
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Assignee:
Otsuka Chemical Co., Ltd.
International Classes:
C07D209/10; C07D209/12; C07D491/10; C07D491/107; C07D495/10; C09K9/02; G03C1/685; G03C1/73; (IPC1-7): C07D209/12; C07D491/107; C07D495/10; C09K9/02
Domestic Patent References:
JP6176490A
JP6054388A
JP2289580A
JP2289587A
JP4930447B1
Other References:
J.Chem.Soc.,Chem.Commun.,(1987),(15),p.1187−8
Attorney, Agent or Firm:
Eiji Saegusa (4 others)