发明授权
US4939012A Naphtholactam dyes and optical recording medium containing these dyes
失效
萘并内酰胺染料和含有这些染料的光学记录介质
- 专利标题: Naphtholactam dyes and optical recording medium containing these dyes
- 专利标题(中): 萘并内酰胺染料和含有这些染料的光学记录介质
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申请号: US396117申请日: 1989-08-21
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公开(公告)号: US4939012A公开(公告)日: 1990-07-03
- 发明人: Matthias Dust , Peter Neumann , Ernst Schefczik , Heidi Benthack-Thoms , Helmut Barzynski , Klaus-Dieter Schomann , Harald Kupplemaier , Eberhard Koester
- 申请人: Matthias Dust , Peter Neumann , Ernst Schefczik , Heidi Benthack-Thoms , Helmut Barzynski , Klaus-Dieter Schomann , Harald Kupplemaier , Eberhard Koester
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX3608214 19860312
- 主分类号: B41M5/26
- IPC分类号: B41M5/26 ; C09B23/00 ; C09B57/06 ; G11B7/244 ; G11B7/247 ; G11B7/253 ; G11B7/2534 ; G11B7/258 ; G11B7/2585
摘要:
Naphtholactam dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, n, p, Z.sup.1, Z.sup.2 and the rings A, B, C and D each have the meanings stated in the description, and an optical recording medium which contains one or more naphtholactam dyes and may contain a base.
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