发明名称 |
Tatraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereof |
摘要 |
Special tetraazaporphins containing Si, Ge or Sn as the central metal are useful for forming a recording layer in an optical recording medium.
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申请公布号 |
US5284943(A) |
申请公布日期 |
1994.02.08 |
申请号 |
US19920824582 |
申请日期 |
1992.01.22 |
申请人 |
HITACHI CHEMICAL COMPANY, CO. |
发明人 |
TAI, SEIJI;HAYASHI, NOBUYUKI;KAMIJIMA, KOICHI;KATAYOSE, MITSUO;AKIMOTO, TAKAYUKI;HAGIWARA, HIDEO |
分类号 |
C07D487/22;B41M5/26;C09B47/00;C09B47/08;G11B7/244;G11B7/248;(IPC1-7):C07D487/22 |
主分类号 |
C07D487/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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