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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
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Publication of FR654686ApublicationCriticalpatent/FR654686A/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
C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
C09B5/44—Azines of the anthracene series
C09B5/46—Para-diazines
C09B5/48—Bis-anthraquinonediazines (indanthrone)
C09B5/50—Preparation by alkaline melting of 2-amino-anthraquinones
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Chemical & Material Sciences
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Organic Chemistry
(AREA)
FR654686D1926-10-081927-10-06Procédé pour la production de n-dihydro-1. 2. 1'. 2'-anthraquinone-azine et de sesdérivés halogénès
ExpiredFR654686A
(fr)