IT1008657B - Composti bis azoici procedimento per prepararli e loro impiego qua li coloranti - Google Patents

Composti bis azoici procedimento per prepararli e loro impiego qua li coloranti

Info

Publication number
IT1008657B
IT1008657B IT47551/74A IT4755174A IT1008657B IT 1008657 B IT1008657 B IT 1008657B IT 47551/74 A IT47551/74 A IT 47551/74A IT 4755174 A IT4755174 A IT 4755174A IT 1008657 B IT1008657 B IT 1008657B
Authority
IT
Italy
Prior art keywords
dyes
preparing
azo compounds
bis azo
compounds procedure
Prior art date
Application number
IT47551/74A
Other languages
English (en)
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 IT1008657B publication Critical patent/IT1008657B/it

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)
IT47551/74A 1973-01-08 1974-01-07 Composti bis azoici procedimento per prepararli e loro impiego qua li coloranti IT1008657B (it)

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
IT1008657B true IT1008657B (it) 1976-11-30

Family

ID=4180248

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47551/74A IT1008657B (it) 1973-01-08 1974-01-07 Composti bis azoici procedimento per prepararli e loro impiego qua li coloranti

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) *
DE55648C (de) * leopold cassella & co. in Frankfurt a. M Verfahren zur Darstellung von £)isazofarbstoffen aus Disazoverbindungen und Amidonaphtolsulfosäure
DE130035C (it) *
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
HK42880A (en) 1980-08-22
DE2400654C2 (de) 1982-10-21
BR7400062D0 (pt) 1974-08-15
DE2400654A1 (de) 1974-07-11
FR2213322A1 (it) 1974-08-02
FR2213322B1 (it) 1977-08-19
GB1451252A (en) 1976-09-29
NL7400104A (it) 1974-07-10
CA1031327A (en) 1978-05-16
BE809472A (fr) 1974-07-08
ES422093A1 (es) 1976-07-01
IN143305B (it) 1977-10-29
CH582736A5 (it) 1976-12-15
AR201128A1 (es) 1975-02-14
JPS4999722A (it) 1974-09-20

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