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Sanofi Aventis Deutschland GmbH
Original Assignee
Leopold Cassella et Cie GmbH
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Publication date
Application filed by Leopold Cassella et Cie GmbHfiledCriticalLeopold Cassella et Cie GmbH
Application grantedgrantedCritical
Publication of FR10542EpublicationCriticalpatent/FR10542E/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
C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
C09B31/02—Disazo dyes
C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
C09B31/061—Disazo dyes from a coupling component "C" containing a directive hydroxyl group containing acid groups, e.g. -CO2H, -SO3H, -PO3H2, -OSO3H, -OPO2H2; Salts thereof
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR10542D1908-04-071908-05-26Procédé de production de colorants chromatables, rouges
ExpiredFR10542E
(fr)