CA1031327A - Azo dyes - Google Patents

Azo dyes

Info

Publication number
CA1031327A
CA1031327A CA189,560A CA189560A CA1031327A CA 1031327 A CA1031327 A CA 1031327A CA 189560 A CA189560 A CA 189560A CA 1031327 A CA1031327 A CA 1031327A
Authority
CA
Canada
Prior art keywords
azo dyes
azo
dyes
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA189,560A
Other languages
English (en)
French (fr)
Inventor
Hanspeter Uehlinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandoz AG
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 CA1031327A publication Critical patent/CA1031327A/en
Expired legal-status Critical Current

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
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/20—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling compounds of different types

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
CA189,560A 1973-01-08 1974-01-07 Azo dyes Expired CA1031327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH14473A CH582736A5 (it) 1973-01-08 1973-01-08

Publications (1)

Publication Number Publication Date
CA1031327A true CA1031327A (en) 1978-05-16

Family

ID=4180248

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,560A Expired CA1031327A (en) 1973-01-08 1974-01-07 Azo dyes

Country Status (14)

Country Link
JP (1) JPS4999722A (it)
AR (1) AR201128A1 (it)
BE (1) BE809472A (it)
BR (1) BR7400062D0 (it)
CA (1) CA1031327A (it)
CH (1) CH582736A5 (it)
DE (1) DE2400654C2 (it)
ES (1) ES422093A1 (it)
FR (1) FR2213322B1 (it)
GB (1) GB1451252A (it)
HK (1) HK42880A (it)
IN (1) IN143305B (it)
IT (1) IT1008657B (it)
NL (1) NL7400104A (it)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE243488C (it) *
DE130035C (it) *
DE58352C (de) * leopold cassella & co. in Frankfurt a. M Verfahren zur Darstellung von Farbstoffen aus Disazoverbindungen und Amidonaphtolsulfosäure. (2
FR655076A (it) * 1927-06-07 1929-04-12
CH232825A (de) * 1941-04-03 1944-06-15 Chem Ind Basel Verfahren zur Herstellung eines Azofarbstoffes.
DE1644189C3 (de) * 1967-01-05 1975-10-09 Bayer Ag, 5090 Leverkusen Azofarbstoffe und deren Verwendung

Also Published As

Publication number Publication date
DE2400654A1 (de) 1974-07-11
BE809472A (fr) 1974-07-08
NL7400104A (it) 1974-07-10
FR2213322A1 (it) 1974-08-02
GB1451252A (en) 1976-09-29
DE2400654C2 (de) 1982-10-21
HK42880A (en) 1980-08-22
JPS4999722A (it) 1974-09-20
IN143305B (it) 1977-10-29
ES422093A1 (es) 1976-07-01
BR7400062D0 (pt) 1974-08-15
CH582736A5 (it) 1976-12-15
AR201128A1 (es) 1975-02-14
IT1008657B (it) 1976-11-30
FR2213322B1 (it) 1977-08-19

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