IT955549B - AZO DYES THEIR PREPARATION AND THEIR USE - Google Patents

AZO DYES THEIR PREPARATION AND THEIR USE

Info

Publication number
IT955549B
IT955549B IT2439472A IT2439472A IT955549B IT 955549 B IT955549 B IT 955549B IT 2439472 A IT2439472 A IT 2439472A IT 2439472 A IT2439472 A IT 2439472A IT 955549 B IT955549 B IT 955549B
Authority
IT
Italy
Prior art keywords
preparation
azo dyes
azo
dyes
Prior art date
Application number
IT2439472A
Other languages
Italian (it)
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Application granted granted Critical
Publication of IT955549B publication Critical patent/IT955549B/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
    • C09B43/11—Preparation of azo dyes from other azo compounds by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
IT2439472A 1971-05-17 1972-05-16 AZO DYES THEIR PREPARATION AND THEIR USE IT955549B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH723071A CH552663A (en) 1971-05-17 1971-05-17 METHOD OF MANUFACTURING AZO DYES.

Publications (1)

Publication Number Publication Date
IT955549B true IT955549B (en) 1973-09-29

Family

ID=4321899

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2439472A IT955549B (en) 1971-05-17 1972-05-16 AZO DYES THEIR PREPARATION AND THEIR USE

Country Status (6)

Country Link
BR (1) BR7203085D0 (en)
CH (1) CH552663A (en)
DE (1) DE2223246C3 (en)
FR (1) FR2137993A1 (en)
GB (1) GB1389915A (en)
IT (1) IT955549B (en)

Also Published As

Publication number Publication date
FR2137993A1 (en) 1972-12-29
DE2223246C3 (en) 1975-04-24
DE2223246A1 (en) 1972-11-30
CH552663A (en) 1974-08-15
GB1389915A (en) 1975-04-09
DE2223246B2 (en) 1974-08-22
BR7203085D0 (en) 1973-06-12

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