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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
C09B35/02—Disazo dyes
C09B35/021—Disazo dyes characterised by two coupling components of the same type
C09B35/033—Disazo dyes characterised by two coupling components of the same type in which the coupling component is an arylamide of an o-hydroxy-carboxylic acid or of a beta-keto-carboxylic acid
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Organic Chemistry
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NL2390A1912-05-141913-04-05
Method for preparing disazo dyes
NL666C
(en)