CH481182A - Process for the preparation of sulfonic acid group-free azo dyes - Google Patents

Process for the preparation of sulfonic acid group-free azo dyes

Info

Publication number
CH481182A
CH481182A CH973766A CH973766A CH481182A CH 481182 A CH481182 A CH 481182A CH 973766 A CH973766 A CH 973766A CH 973766 A CH973766 A CH 973766A CH 481182 A CH481182 A CH 481182A
Authority
CH
Switzerland
Prior art keywords
preparation
sulfonic acid
acid group
azo dyes
free azo
Prior art date
Application number
CH973766A
Other languages
German (de)
Inventor
Walter Dr Horstmann
Edgar Dr Siegel
Original Assignee
Bayer Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH481182A publication Critical patent/CH481182A/en

Links

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
    • C09B43/34—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 ortho- or peri-dicarboxylic dyes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
    • C08K5/3415—Five-membered rings
    • C08K5/3417—Five-membered rings condensed with carbocyclic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Coloring (AREA)
CH973766A 1966-03-11 1966-07-05 Process for the preparation of sulfonic acid group-free azo dyes CH481182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0048637 1966-03-11

Publications (1)

Publication Number Publication Date
CH481182A true CH481182A (en) 1969-11-15

Family

ID=7102379

Family Applications (1)

Application Number Title Priority Date Filing Date
CH973766A CH481182A (en) 1966-03-11 1966-07-05 Process for the preparation of sulfonic acid group-free azo dyes

Country Status (4)

Country Link
BE (1) BE685749A (en)
CH (1) CH481182A (en)
DE (1) DE1544565A1 (en)
NL (2) NL6701983A (en)

Also Published As

Publication number Publication date
BE685749A (en) 1967-02-01
NL129231C (en)
NL6701983A (en) 1967-09-12
DE1544565A1 (en) 1970-04-09

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Legal Events

Date Code Title Description
PL Patent ceased