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Sandoz AG
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Sandoz AG
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Publication date
Application filed by Sandoz AGfiledCriticalSandoz AG
Application grantedgrantedCritical
Publication of FR1039767ApublicationCriticalpatent/FR1039767A/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
C09B43/00—Preparation of azo dyes from other azo compounds
C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
C09B43/145—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with polycarboxylic acids
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1039767D1950-07-141951-06-11Nouveaux colorants polyazoïques et leur procédé de fabrication
ExpiredFR1039767A
(fr)