Classifications

• • C—CHEMISTRY; METALLURGY
  • 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
  • C09B43/32—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines
  • C09B43/38—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines by reacting two or more ortho-hydroxy naphthoic acid dyes with polyamines
• • C—CHEMISTRY; METALLURGY
  • 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
  • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
  • C09B33/02—Disazo dyes
  • C09B33/147—Disazo dyes in which the coupling component is a bis -(-o-hydroxy-carboxylic- acid amide)

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Coloring (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4218010

Family Applications (1)

Country Status (7)

• 1968
  • 1968-02-06 CH CH176468A patent/CH491178A/de not_active IP Right Cessation
• 1969
  • 1969-01-28 DE DE19691904003 patent/DE1904003A1/de active Pending
  • 1969-01-29 FR FR6901726A patent/FR2001384A1/fr active Granted
  • 1969-02-05 NL NL6901825A patent/NL6901825A/xx unknown
  • 1969-02-05 BE BE727943D patent/BE727943A/xx unknown
  • 1969-02-05 GB GB616669A patent/GB1219212A/en not_active Expired
  • 1969-02-06 BR BR20616869A patent/BR6906168D0/pt unknown

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