BINARY AZULENESQUARIC ACID DYES, THEIR INTERMEDIATES AND OPTICAL RECORDING MEDIUM

Binary azulenesquaric acid dyes of the formula where X is a bridging member, Y is hydrogen, cyano or formula CO-OR5, CO-NHR5, OR5, O-CO-OR5, NH-CO-R5, NH-CO-OR5 or NH-SO2-R5, where R5 is hydrogen, C1-C12-alkyl, C2-C12-alkenyl, C5-C7-cycloalkyl or unsubstituted or substituted phenyl, L1 and L2 are ea...

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Bibliographische Detailangaben
Hauptverfasser:	KUPPELMAIER, HARALD, ALBERT, BERNHARD, BROSIUS, SIBYLLE, SCHOMANN, KLAUS D, SCHMITT, MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY COLOUR PRINTING DYES LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	Binary azulenesquaric acid dyes of the formula where X is a bridging member, Y is hydrogen, cyano or formula CO-OR5, CO-NHR5, OR5, O-CO-OR5, NH-CO-R5, NH-CO-OR5 or NH-SO2-R5, where R5 is hydrogen, C1-C12-alkyl, C2-C12-alkenyl, C5-C7-cycloalkyl or unsubstituted or substituted phenyl, L1 and L2 are each, independently of one another, a chemical bond or unsubstituted or substituted C1-C12-alkylene and R1, R2, R3, R4, Q1, Q2, Q3 and Q4 are each, independently of one another, hydrogen or unsubstituted or substituted C1-C12-alkyl, their intermediates and an optical recording medium containing the novel dyes are described.