Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Application grantedgrantedCritical
Publication of FR37173EpublicationCriticalpatent/FR37173E/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
C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
C09B3/22—Dibenzanthrones; Isodibenzanthrones
C09B3/30—Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus
C09B3/32—Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus by halogenation
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR37173D1929-07-021929-07-02Procédé pour la préparation de produits substitués chlorés et bromés de la série des dibenzanthrones et isodibenzanthrones
ExpiredFR37173E
(fr)