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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication of FR889933ApublicationCriticalpatent/FR889933A/fr
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
C09B23/0066—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of a carbocyclic ring,(e.g. benzene, naphtalene, cyclohexene, cyclobutenene-quadratic acid)
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Chemical & Material Sciences
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Organic Chemistry
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FR889933D1938-10-201942-03-02Procédé pour la préparation de colorants à base de polyméthine
ExpiredFR889933A
(fr)