公开(公告)号：DE58908296D1

公开(公告)日：1994-10-13

申请号：DE58908296

申请日：1989-03-22

Applicant: BASF AG

Inventor： ACKER MICHAEL DR ,  DUST MATTHIAS DR ,  NEUMANN PETER DR ,  BROSIUS SYBILLE DR ,  SCHOMANN KLAUS DIETER DR ,  KUPPELMAIER HARALD DR

IPC: B41M5/26 ,  C09B23/00 ,  C09B23/01 ,  C09B23/08 ,  G11B7/24 ,  G11B7/2472 ,  G11B7/253 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2536 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/2595

Abstract: Methine dyes of the formula where R1, R2, R3, R4, 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 R1 and/and R4 have a group reacting with an organic mono- or polyisocyanate are useful in optical recording media.