发明名称 |
METAL COMPLEX TYPE SQUARYLIUM COMPOUNDS AND OPTICAL RECORDING MEDIA MADE BY USING THE SAME |
摘要 |
An object of the present invention is to provide a material having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for recording for DVD-R. More specifically, the present invention provides squarylium compounds in a state of a metal complex represented by the general formula (I): <CHEM> wherein, R<1> and R<2> are the same or different, and represent an alkyl group optionally having a substituent, an aralkyl group optionally having a substituent, an aryl group optionally having a substituent, or a heterocyclic group optionally having a substituent; Q represents a metal atom with a coordination ability; q represents 2 or 3; and A represents an aryl group optionally having a substituent, a heterocyclic group optionally having a substituent, or Y=CH- wherein Y represents an aryl group optionally having a substituent or a heterocyclic group optionally having a substituent. |
申请公布号 |
EP1334998(A1) |
申请公布日期 |
2003.08.13 |
申请号 |
EP20010271415 |
申请日期 |
2001.12.19 |
申请人 |
KYOWA HAKKO CHEMICAL CO., LTD. |
发明人 |
SHIMIZU, IKUO;TOYODA, HIROSHI;KINUGASA, MOTOHARU;YAMADA, SHIHO;NOGUCHI, SOH;SATOH, TSUTOMU;TOMURA, TATSUYA |
分类号 |
C09B57/00;C09B57/10;G11B7/007;G11B7/249;(IPC1-7):C09B23/00;G11B7/24;B41M5/26 |
主分类号 |
C09B57/00 |
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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