| 发明名称 |
Recording element having a pyrypium or thiopyryliumsquarylium dye layer and new pyrylium or thiopyryliumsquarylium compounds. |
| 摘要 |
<p>An optical recording element having a recording layer which comprises an alkylpyrylium-squarylium dye, as well as novel alkylpyrylium-squarylium compounds.</p> |
| 申请公布号 |
EP0116381(A1) |
申请公布日期 |
1984.08.22 |
| 申请号 |
EP19840200036 |
申请日期 |
1984.01.11 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
GRAVESTEIJN, DIRK JAN;STEENBERGEN, CHRISTIAAN;VAN DER VEEN, JAN;NIJSSEN, WILHELMUS PETER MARTINUS |
| 分类号 |
G11B7/24;B41M5/26;C09B23/00;C09B23/01;C09B23/16;C09B57/00;G11B7/244;G11B7/246;(IPC1-7):11B7/24;07D309/00;09B23/00;09B57/00;07D335/00 |
主分类号 |
G11B7/24 |
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