TETRAAZAPORPHYRIN AND OPTICAL RECORDING MEDIUM

Tetraazaporphyrins of the formula in which L , L , L and L , independently of one another, are the radical of a bicyclic, aromatic heterocyclic ring having 1 to 3 identical or different hetero atoms, selected from the group comprising N, O and S, which is optionally substituted, and R and R are each...

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Bibliographische Detailangaben
Hauptverfasser:	PEETAA NOIMAN, RORUFUUDEIITAA KOORAA, BERUNHARUTO ARUBERUTO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES CHEMISTRY CINEMATOGRAPHY COLOUR PRINTING DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY HETEROCYCLIC COMPOUNDS HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LAKES LINING MACHINES MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	Tetraazaporphyrins of the formula in which L , L , L and L , independently of one another, are the radical of a bicyclic, aromatic heterocyclic ring having 1 to 3 identical or different hetero atoms, selected from the group comprising N, O and S, which is optionally substituted, and R and R are each as defined in the description, and an optical recording medium containing the novel tetraazaporphyrins.