FR334140A - Procédé pour la production de nouvelles matières colorantes et de produits intermédiaires pour la préparation de ces colorants
- Google Patents
Procédé pour la production de nouvelles matières colorantes et de produits intermédiaires pour la préparation de ces colorants
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.)
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Societe Anonyme des Produits Fred Bayer et Co
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Societe Anonyme des Produits Fred Bayer et Co
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Application filed by Societe Anonyme des Produits Fred Bayer et CofiledCriticalSociete Anonyme des Produits Fred Bayer et Co
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Publication of FR334140ApublicationCriticalpatent/FR334140A/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
C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
C09B35/50—Tetrazo dyes
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR334140D1903-07-251903-07-25Procédé pour la production de nouvelles matières colorantes et de produits intermédiaires pour la préparation de ces colorants
ExpiredFR334140A
(fr)