BR7702495A - Processo para a obtencao de diazo corantes - Google Patents

Processo para a obtencao de diazo corantes

Info

Publication number
BR7702495A
BR7702495A BR7702495A BR7702495A BR7702495A BR 7702495 A BR7702495 A BR 7702495A BR 7702495 A BR7702495 A BR 7702495A BR 7702495 A BR7702495 A BR 7702495A BR 7702495 A BR7702495 A BR 7702495A
Authority
BR
Brazil
Prior art keywords
diazo dyes
obtaining
obtaining diazo
dyes
diazo
Prior art date
Application number
BR7702495A
Other languages
English (en)
Inventor
G Schroth
H Schiadetsch
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BR7702495A publication Critical patent/BR7702495A/pt

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
    • C09B35/04—Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
BR7702495A 1976-04-21 1977-04-20 Processo para a obtencao de diazo corantes BR7702495A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2617302A DE2617302C3 (de) 1976-04-21 1976-04-21 Verfahren zur Herstellung von Disazofarbstoffen

Publications (1)

Publication Number Publication Date
BR7702495A true BR7702495A (pt) 1978-05-09

Family

ID=5975809

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7702495A BR7702495A (pt) 1976-04-21 1977-04-20 Processo para a obtencao de diazo corantes

Country Status (9)

Country Link
US (1) US4115380A (pt)
JP (1) JPS52129731A (pt)
BE (1) BE853802A (pt)
BR (1) BR7702495A (pt)
CH (1) CH624976A5 (pt)
DE (1) DE2617302C3 (pt)
FR (1) FR2348951A1 (pt)
GB (1) GB1578391A (pt)
IT (1) IT1080354B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110461951B (zh) * 2017-03-09 2022-04-08 富士胶片株式会社 组合物、二色性物质、吸光各向异性膜、层叠体及图像显示装置
EP3789352B1 (en) * 2019-09-04 2022-06-01 Clariant Plastics & Coatings Ltd Process for treatment of wastewater containing phenol, aniline or derivatives thereof
CN113548979A (zh) * 2021-07-16 2021-10-26 辽宁大学 一种含双偶氮双酚化合物及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072252A (en) * 1932-03-12 1937-03-02 Celanese Corp Coloring textile material
US2782185A (en) * 1952-10-31 1957-02-19 Saul & Co Disazo dyestuffs
US2954371A (en) * 1958-02-12 1960-09-27 Ciba Ltd Water insoluble disazo-dyestuffs
US3045004A (en) * 1959-04-16 1962-07-17 Acna Disazo dyes
GB1016246A (en) * 1963-06-21 1966-01-05 Ici Ltd Coloration process for polyester and cellulose acetate materials
US3523935A (en) * 1966-12-05 1970-08-11 Gaf Corp Disazo dyestuff containing m-cresol coupling components

Also Published As

Publication number Publication date
BE853802A (fr) 1977-10-21
DE2617302B2 (de) 1978-08-10
GB1578391A (en) 1980-11-05
JPS52129731A (en) 1977-10-31
US4115380A (en) 1978-09-19
DE2617302C3 (de) 1979-05-03
FR2348951A1 (fr) 1977-11-18
DE2617302A1 (de) 1977-11-03
FR2348951B1 (pt) 1981-12-11
CH624976A5 (pt) 1981-08-31
IT1080354B (it) 1985-05-16

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