CH491998A - Process for the preparation of monoazo dyes that are sparingly soluble in water - Google Patents

Process for the preparation of monoazo dyes that are sparingly soluble in water

Info

Publication number
CH491998A
CH491998A CH1657167A CH1657167A CH491998A CH 491998 A CH491998 A CH 491998A CH 1657167 A CH1657167 A CH 1657167A CH 1657167 A CH1657167 A CH 1657167A CH 491998 A CH491998 A CH 491998A
Authority
CH
Switzerland
Prior art keywords
preparation
water
sparingly soluble
monoazo dyes
monoazo
Prior art date
Application number
CH1657167A
Other languages
German (de)
Inventor
Altermatt Ruedi
Curt Dr Mueller
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
Priority to CH1657167A priority Critical patent/CH491998A/en
Priority to GB5117068A priority patent/GB1241705A/en
Priority to DE19681810063 priority patent/DE1810063A1/en
Priority to FR1594835D priority patent/FR1594835A/fr
Publication of CH491998A publication Critical patent/CH491998A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/18—Preparation of azo dyes from other azo compounds by acylation of hydroxyl group or of mercapto group
    • C09B43/20—Preparation of azo dyes from other azo compounds by acylation of hydroxyl group or of mercapto group with monocarboxylic acids, carbamic acid esters or halides, mono- isocyanates or haloformic acid esters
    • C09B43/206—Preparation of azo dyes from other azo compounds by acylation of hydroxyl group or of mercapto group with monocarboxylic acids, carbamic acid esters or halides, mono- isocyanates or haloformic acid esters with formation of OCXN or OSO2N group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH1657167A 1967-11-24 1967-11-24 Process for the preparation of monoazo dyes that are sparingly soluble in water CH491998A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1657167A CH491998A (en) 1967-11-24 1967-11-24 Process for the preparation of monoazo dyes that are sparingly soluble in water
GB5117068A GB1241705A (en) 1967-11-24 1968-10-29 Azo compounds of low solubility in water
DE19681810063 DE1810063A1 (en) 1967-11-24 1968-11-20 Azo compounds that are poorly soluble in water
FR1594835D FR1594835A (en) 1967-11-24 1968-11-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1657167A CH491998A (en) 1967-11-24 1967-11-24 Process for the preparation of monoazo dyes that are sparingly soluble in water

Publications (1)

Publication Number Publication Date
CH491998A true CH491998A (en) 1970-06-15

Family

ID=4418456

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1657167A CH491998A (en) 1967-11-24 1967-11-24 Process for the preparation of monoazo dyes that are sparingly soluble in water

Country Status (4)

Country Link
CH (1) CH491998A (en)
DE (1) DE1810063A1 (en)
FR (1) FR1594835A (en)
GB (1) GB1241705A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667023A (en) * 1973-07-16 1987-05-19 Sandoz Ltd. 4-(2'-halo-4'-nitrophenylazo)-2-2[2'-(C1-2 alkoxy or 2"-methoxyethoxy)ethoxycarbonylamino --N,N-di-C2-3 alkylanilines
DE2726656A1 (en) * 1977-06-14 1979-01-04 Basf Ag BROWN TO PURPLE AZO DYES
ES2060808T3 (en) * 1988-04-14 1994-12-01 Ciba Geigy Ag DISPERSION DYES.

Also Published As

Publication number Publication date
FR1594835A (en) 1970-06-08
DE1810063A1 (en) 1970-06-04
GB1241705A (en) 1971-08-04

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased