HETEROCYCLIC DYES BASED ON BENZODIPYRROLES

The invention relates to a compound of general formula (I), in which A stands for the bivalent group of a cyclic compound of general formula (II), in which B is an alicyclic or heterocyclic group and A1, A2 and A3 are identical or different and are defined as per A or represent =NR, whereby R repres...

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Bibliographische Detailangaben
Hauptverfasser: WEISS ANDRE, HECKMANN HEINO
Format: Patent
Sprache:eng
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