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Bayer AG
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Bayer AG
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Application filed by Bayer AGfiledCriticalBayer AG
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Publication of FR1131641ApublicationCriticalpatent/FR1131641A/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
C09B45/00—Complex metal compounds of azo dyes
C09B45/34—Preparation from o-monohydroxy azo compounds having in the o'-position an atom or functional group other than hydroxyl, alkoxy, carboxyl, amino or keto groups
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1131641D1954-09-291955-09-23Procédé pour la production de colorants o, o'dihydroxyazoïques
ExpiredFR1131641A
(fr)