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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 FR63895EpublicationCriticalpatent/FR63895E/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
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR63895D1953-03-041953-03-04Procédé de fabrication de colorants polyazoïques
ExpiredFR63895E
(fr)