发明名称 |
Farbstoff und thermische Übertragungsschicht, die diesen Farbstoff verwendet |
摘要 |
<p>A heat transfer sheet is provided, which comprises a base sheet and a dye carrier layer formed on one side of said base sheet, said dye carrier layer carrying a mixture of at least one dye expressed by the following general formula (I) with at least one other sublimable dye showing a maximum absorption wavelength at from 560 to 700 nm and having a molecular weight of at least 345. <CHEM> wherein: R1 to R4 each are a C1 to C6 alkyl group, a cycloalkyl group or a phenyl group, provided that R2 may be a hydrogen atom or an alkoxy group and R3 and R4 may form together a ring.</p> |
申请公布号 |
DE68928003(T2) |
申请公布日期 |
1997.12.18 |
申请号 |
DE1989628003T |
申请日期 |
1989.09.11 |
申请人 |
DAI NIPPON INSATSU K.K., TOKIO/TOKYO, JP |
发明人 |
NAKAMURA, MASAYUKI, TOKYO-TO, JP |
分类号 |
B41M5/035;B41M5/26;B41M5/39;C09B53/02;(IPC1-7):C09B53/02;B41M5/38 |
主分类号 |
B41M5/035 |
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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