-
公开(公告)号:US5093492A
公开(公告)日:1992-03-03
申请号:US563844
申请日:1990-08-07
申请人: Michael Acker , Mathias Dust , Peter Neumann , Sibylle Brosius , Klaus D. Schomann , Harald Kuppelmaier
发明人: Michael Acker , Mathias Dust , Peter Neumann , Sibylle Brosius , Klaus D. Schomann , Harald Kuppelmaier
IPC分类号: B41M5/26 , C09B23/00 , C09B23/01 , G11B7/2472 , G11B7/253 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2536 , G11B7/258 , G11B7/2585 , G11B7/2595
CPC分类号: G11B7/2472 , C09B23/0066 , G11B7/245 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2536 , G11B7/2585 , G11B7/2595 , Y10S430/146 , Y10S430/165
摘要: Methine dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, X, Y and the rings A and B each have specific meanings, and methine dyes obtainable by reacting an organic mono- or polyisocyanate with such a methine dye of the abovementioned formal where only the radicals R.sup.1 and/and R.sup.4 have a group reacting with an organic mono- or polyisocyanate are useful in optical recording media.
摘要翻译: 其中R 1,R 2,R 3,R 4,X,Y和环A和B各自具有特定含义的式“IMAGE”的甲基染料,以及通过使有机单 - 或多异氰酸酯与这样的次甲基染料 上述正式,其中只有基团R 1和/和R 4具有与有机单或多异氰酸酯反应的基团可用于光学记录介质。