CH475313A - 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
CH475313A
CH475313A CH973666A CH973666A CH475313A CH 475313 A CH475313 A CH 475313A CH 973666 A CH973666 A CH 973666A CH 973666 A CH973666 A CH 973666A CH 475313 A CH475313 A CH 475313A
Authority
CH
Switzerland
Prior art keywords
preparation
sulfonic acid
acid group
azo dyes
free azo
Prior art date
Application number
CH973666A
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 CH475313A publication Critical patent/CH475313A/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Coloring (AREA)
CH973666A 1965-08-27 1966-07-05 Process for the preparation of sulfonic acid group-free azo dyes CH475313A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0047014 1965-08-27

Publications (1)

Publication Number Publication Date
CH475313A true CH475313A (en) 1969-07-15

Family

ID=7101369

Family Applications (1)

Application Number Title Priority Date Filing Date
CH973666A CH475313A (en) 1965-08-27 1966-07-05 Process for the preparation of sulfonic acid group-free azo dyes

Country Status (4)

Country Link
BE (1) BE685747A (en)
CH (1) CH475313A (en)
DE (1) DE1544537A1 (en)
NL (1) NL6612091A (en)

Also Published As

Publication number Publication date
NL6612091A (en) 1967-02-28
DE1544537A1 (en) 1970-04-02
BE685747A (en) 1967-02-01

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Legal Events

Date Code Title Description
PL Patent ceased