发明授权
EP0116381B1 Recording element having a pyrypium or thiopyryliumsquarylium dye layer and new pyrylium or thiopyryliumsquarylium compounds
失效
具有一个PYRYPIUM或三聚氰胺锂染料层的记录元件和新的PYRYLIUM或THIOPYRYLIUMSQUARYLIUM化合物
- 专利标题： Recording element having a pyrypium or thiopyryliumsquarylium dye layer and new pyrylium or thiopyryliumsquarylium compounds
- 专利标题（中）： 具有一个PYRYPIUM或三聚氰胺锂染料层的记录元件和新的PYRYLIUM或THIOPYRYLIUMSQUARYLIUM化合物
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申请号： EP84200036.6申请日： 1984-01-11
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公开(公告)号： EP0116381B1公开(公告)日： 1986-11-05
- 发明人: Gravesteijn, Dirk Jan , Steenbergen, Christiaan , Van der Veen, Jan , Nijssen, Wilhelmus Peter Martinus
- 申请人： Philips Electronics N.V.
- 申请人地址： Groenewoudseweg 1 5621 BA Eindhoven NL
- 专利权人： Philips Electronics N.V.
- 当前专利权人： Philips Electronics N.V.
- 当前专利权人地址： Groenewoudseweg 1 5621 BA Eindhoven NL
- 代理机构： Weening, Cornelis
- 优先权： NL8300155 19830117
- 主分类号： G11B7/24
- IPC分类号： G11B7/24 ; C09B57/00 ; C09B23/00 ; C07D309/00 ; C07D335/00
摘要：
An optical recording element having a recording layer which comprises an alkylpyrylium-squarylium dye, as well as novel alkylpyrylium-squarylium compounds.
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