发明公开
EP1488418A1 SQUARYLIUMFARBSTOFFE ALS LICHTABSORBIERENDE VERBINDUNG IN DER INFORMATIONSCHICHT VON OPTISCHEN DATENTRÄGERN
审中-公开
方酸菁作为光吸收CONNECTION光学介质的信息层
- 专利标题： SQUARYLIUMFARBSTOFFE ALS LICHTABSORBIERENDE VERBINDUNG IN DER INFORMATIONSCHICHT VON OPTISCHEN DATENTRÄGERN
- 专利标题（英）： Squarylium dyes as a light-absorbing compound in the information layer of optical data carriers
- 专利标题（中）： 方酸菁作为光吸收CONNECTION光学介质的信息层
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申请号： EP03744371.0申请日： 2003-03-18
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公开(公告)号： EP1488418A1公开(公告)日： 2004-12-22
- 发明人: BERNETH, Horst , BRUDER, Friedrich-Karl , HAESE, Wilfried , HASSENRÜCK, Karin , KOSTROMINE, Serguei , LANDENBERGER, Peter , SOMMERMANN, Thomas , STAWITZ, Josef-Walter , HAGEN, Rainer , OSER, Rafael , KRÜGER, Christa, Maria , MEYER-FRIEDRICHSEN, Timo
- 申请人： Bayer Chemicals AG
- 申请人地址： 51368 Leverkusen DE
- 专利权人： Bayer Chemicals AG
- 当前专利权人： Bayer Chemicals AG
- 当前专利权人地址： 51368 Leverkusen DE
- 优先权： DE10212199 20020319; DE10245581 20020927
- 国际公布： WO2003079339 20030925
- 主分类号： G11B7/24
- IPC分类号： G11B7/24 ; C09B47/04 ; C09B57/00 ; C07D207/32
摘要：
Disclosed are novel squarylium compounds for optical data carriers. A preferably transparent substrate, the surface of which is provided with a light-writable information layer, one or two optional reflecting layers, and another substrate or a protective layer are applied to said optical data carriers which can be written and read by red light, preferably laser light. The information layer contains a light-absorbing compound and an optional bonding agent, at least the inventive squarylium compound being used as the light-absorbing compound.
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