ZA737590B - Azo compounds which contain sulphonic acid groups - Google Patents

Azo compounds which contain sulphonic acid groups

Info

Publication number
ZA737590B
ZA737590B ZA00737590*A ZA737590A ZA737590B ZA 737590 B ZA737590 B ZA 737590B ZA 737590 A ZA737590 A ZA 737590A ZA 737590 B ZA737590 B ZA 737590B
Authority
ZA
South Africa
Prior art keywords
acid groups
sulphonic acid
azo compounds
contain sulphonic
contain
Prior art date
Application number
ZA00737590*A
Other languages
English (en)
Inventor
H Wicki
Original Assignee
Sandoz Ltd
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 Ltd filed Critical Sandoz Ltd
Publication of ZA737590B publication Critical patent/ZA737590B/xx

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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
    • C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol
    • C09B35/461—D being derived from diaminobenzene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
ZA00737590*A 1972-09-26 1973-09-26 Azo compounds which contain sulphonic acid groups ZA737590B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1402872A CH571049A5 (en) 1972-09-26 1972-09-26 Azo dyes for leather, textiles, paper - give deep blue, black or green col-ours with high solidity

Publications (1)

Publication Number Publication Date
ZA737590B true ZA737590B (en) 1975-05-28

Family

ID=4397330

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00737590*A ZA737590B (en) 1972-09-26 1973-09-26 Azo compounds which contain sulphonic acid groups

Country Status (5)

Country Link
BE (1) BE805235A (ja)
BR (1) BR7307427D0 (ja)
CH (1) CH571049A5 (ja)
CS (1) CS173641B2 (ja)
ZA (1) ZA737590B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468348A (en) * 1972-09-26 1984-08-28 Sandoz Ltd. Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenylazonaphthyl-2-azo)phenylazo group linked to a coupling component radical

Also Published As

Publication number Publication date
CS173641B2 (ja) 1977-02-28
CH571049A5 (en) 1975-12-31
BR7307427D0 (pt) 1974-08-29
BE805235A (fr) 1974-03-25

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