发明名称 |
Styryl dye |
摘要 |
The present invention provides styryl dyes which have absorption maxima at a wavelength of 400 nm or less and are sensitive to a laser beam with a wavelength of 450 nm or less, light absorbents and optical recording media which comprise the styryl dyes, and a process for producing the styryl dyes which comprises reacting with an aldehyde compound a quaternary ammonium salt of nitrogen atom containing heterocyclic compound having an active methyl or active methylene group.
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申请公布号 |
US7354694(B1) |
申请公布日期 |
2008.04.08 |
申请号 |
US20000890711 |
申请日期 |
2000.11.24 |
申请人 |
KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUKO |
发明人 |
KASADA CHIAKI;KAWATA TOSHIO;YANO KENTARO;YASUI SHIGEO |
分类号 |
G11B7/24;C09B23/14;G11B7/247 |
主分类号 |
G11B7/24 |
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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