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发明名称
Photochromic compounds
摘要
申请公布号
US4960678(A)
申请公布日期
1990.10.02
申请号
US19890403487
申请日期
1989.09.06
申请人
TOKUYAMA SODA KABUSHIKI KAISHA
发明人
TANAKA, TAKASHI;IMURA, SATOSHI;KIDA, YASUJI
分类号
C07D209/94;C07D209/96;C07D307/93;C07D487/10;C07D491/10;C07D491/107;C07D493/10;C07D495/04;C07D495/10;C07D521/00;C09K9/02;G02C7/02;G02F1/17;G03C1/685;G03C1/73;(IPC1-7):G03C1/733
主分类号
C07D209/94
代理机构
代理人
主权项
地址
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