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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
Application grantedgrantedCritical
Publication of FR889524ApublicationCriticalpatent/FR889524A/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
C09B43/155—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with di- or poly-isocyanates
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR889524D1942-01-101942-12-31Colorants azoïques et un procédé pour leur production
ExpiredFR889524A
(fr)