CH552663A - METHOD OF MANUFACTURING AZO DYES. - Google Patents

METHOD OF MANUFACTURING AZO DYES.

Info

Publication number
CH552663A
CH552663A CH723071A CH723071A CH552663A CH 552663 A CH552663 A CH 552663A CH 723071 A CH723071 A CH 723071A CH 723071 A CH723071 A CH 723071A CH 552663 A CH552663 A CH 552663A
Authority
CH
Switzerland
Prior art keywords
azo dyes
manufacturing azo
manufacturing
dyes
azo
Prior art date
Application number
CH723071A
Other languages
German (de)
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
Priority to CH723071A priority Critical patent/CH552663A/en
Priority to DE19722223246 priority patent/DE2223246C3/en
Priority to GB2226772A priority patent/GB1389915A/en
Priority to BR308572A priority patent/BR7203085D0/en
Priority to IT2439472A priority patent/IT955549B/en
Priority to FR7217567A priority patent/FR2137993A1/fr
Publication of CH552663A publication Critical patent/CH552663A/en
Priority to US05/528,357 priority patent/US4048153A/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)
CH723071A 1971-05-17 1971-05-17 METHOD OF MANUFACTURING AZO DYES. CH552663A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH723071A CH552663A (en) 1971-05-17 1971-05-17 METHOD OF MANUFACTURING AZO DYES.
DE19722223246 DE2223246C3 (en) 1971-05-17 1972-05-12 Azo dyes containing sulfonic acid groups, process for their preparation and use
GB2226772A GB1389915A (en) 1971-05-17 1972-05-12 Water soluble azo dyestuffs
BR308572A BR7203085D0 (en) 1971-05-17 1972-05-16 PROCESS FOR THE PREPARATION OF AZOIC DYES
IT2439472A IT955549B (en) 1971-05-17 1972-05-16 AZO DYES THEIR PREPARATION AND THEIR USE
FR7217567A FR2137993A1 (en) 1971-05-17 1972-05-17
US05/528,357 US4048153A (en) 1971-05-17 1974-11-29 Azo dyes having an optionally substituted 1-azo-3-nitro-4-arylaminophenyl nucleus

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
CH552663A true CH552663A (en) 1974-08-15

Family

ID=4321899

Family Applications (1)

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

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
DE2223246B2 (en) 1974-08-22
IT955549B (en) 1973-09-29
DE2223246C3 (en) 1975-04-24
BR7203085D0 (en) 1973-06-12
GB1389915A (en) 1975-04-09
DE2223246A1 (en) 1972-11-30

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Legal Events

Date Code Title Description
PL Patent ceased