CH397913A - Process for the production of disazo pigments - Google Patents

Process for the production of disazo pigments

Info

Publication number
CH397913A
CH397913A CH489161A CH489161A CH397913A CH 397913 A CH397913 A CH 397913A CH 489161 A CH489161 A CH 489161A CH 489161 A CH489161 A CH 489161A CH 397913 A CH397913 A CH 397913A
Authority
CH
Switzerland
Prior art keywords
production
disazo pigments
disazo
pigments
Prior art date
Application number
CH489161A
Other languages
German (de)
Inventor
Emil Dr Stocker
Original Assignee
Geigy Ag J R
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
Priority to BE628744D priority Critical patent/BE628744A/xx
Application filed by Geigy Ag J R filed Critical Geigy Ag J R
Priority to CH489161A priority patent/CH397913A/en
Priority to DE19621444677 priority patent/DE1444677A1/de
Priority to GB1569462A priority patent/GB971190A/en
Publication of CH397913A publication Critical patent/CH397913A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/147—Disazo dyes in which the coupling component is a bis -(-o-hydroxy-carboxylic- acid amide)
    • 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
    • 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
    • C09B41/006—Special methods of performing the coupling reaction characterised by process features
    • C09B41/008—Special methods of performing the coupling reaction characterised by process features using mechanical or physical means, e.g. using ultra-sound, milling during coupling or microreactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Colloid Chemistry (AREA)
CH489161A 1961-04-26 1961-04-26 Process for the production of disazo pigments CH397913A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE628744D BE628744A (en) 1961-04-26
CH489161A CH397913A (en) 1961-04-26 1961-04-26 Process for the production of disazo pigments
DE19621444677 DE1444677A1 (en) 1961-04-26 1962-04-24
GB1569462A GB971190A (en) 1961-04-26 1962-04-25 Improvements relating to azo pigments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH489161A CH397913A (en) 1961-04-26 1961-04-26 Process for the production of disazo pigments

Publications (1)

Publication Number Publication Date
CH397913A true CH397913A (en) 1965-08-31

Family

ID=4284330

Family Applications (1)

Application Number Title Priority Date Filing Date
CH489161A CH397913A (en) 1961-04-26 1961-04-26 Process for the production of disazo pigments

Country Status (4)

Country Link
BE (1) BE628744A (en)
CH (1) CH397913A (en)
DE (1) DE1444677A1 (en)
GB (1) GB971190A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2176040A1 (en) * 1972-03-15 1973-10-26 Ici Ltd
EP0028464A1 (en) * 1979-10-26 1981-05-13 Imperial Chemical Industries Plc Azo dyestuff preparation by phase transfer catalysed coupling in a two-phase medium
JPS58183756A (en) * 1982-04-22 1983-10-27 Toyo Ink Mfg Co Ltd Preparation of azo pigment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH561258A5 (en) * 1971-12-13 1975-04-30 Ciba Geigy Ag

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2176040A1 (en) * 1972-03-15 1973-10-26 Ici Ltd
EP0028464A1 (en) * 1979-10-26 1981-05-13 Imperial Chemical Industries Plc Azo dyestuff preparation by phase transfer catalysed coupling in a two-phase medium
JPS58183756A (en) * 1982-04-22 1983-10-27 Toyo Ink Mfg Co Ltd Preparation of azo pigment
JPH023824B2 (en) * 1982-04-22 1990-01-25 Toyo Ink Mfg Co

Also Published As

Publication number Publication date
DE1444677A1 (en) 1969-11-13
GB971190A (en) 1964-09-30
BE628744A (en)

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