CH503082A - Process for the production of azo compounds that are sparingly soluble in water - Google Patents

Process for the production of azo compounds that are sparingly soluble in water

Info

Publication number
CH503082A
CH503082A CH1346568A CH1346568A CH503082A CH 503082 A CH503082 A CH 503082A CH 1346568 A CH1346568 A CH 1346568A CH 1346568 A CH1346568 A CH 1346568A CH 503082 A CH503082 A CH 503082A
Authority
CH
Switzerland
Prior art keywords
production
water
azo compounds
sparingly soluble
sparingly
Prior art date
Application number
CH1346568A
Other languages
German (de)
Inventor
Curt Dr Mueller
Roswitha Dr Wirz
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 CH1346568A priority Critical patent/CH503082A/en
Priority to DE19691933063 priority patent/DE1933063A1/en
Priority to BE737633D priority patent/BE737633A/xx
Publication of CH503082A publication Critical patent/CH503082A/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
    • C09B43/204—Heterocyclic monocarboxylic acids
CH1346568A 1968-09-09 1968-09-09 Process for the production of azo compounds that are sparingly soluble in water CH503082A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH1346568A CH503082A (en) 1968-09-09 1968-09-09 Process for the production of azo compounds that are sparingly soluble in water
DE19691933063 DE1933063A1 (en) 1968-09-09 1969-06-30 Water-insoluble azo dyes for dyeing/printing in - yellow/brown shades
BE737633D BE737633A (en) 1968-09-09 1969-08-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1346568A CH503082A (en) 1968-09-09 1968-09-09 Process for the production of azo compounds that are sparingly soluble in water

Publications (1)

Publication Number Publication Date
CH503082A true CH503082A (en) 1971-02-15

Family

ID=4392682

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1346568A CH503082A (en) 1968-09-09 1968-09-09 Process for the production of azo compounds that are sparingly soluble in water

Country Status (3)

Country Link
BE (1) BE737633A (en)
CH (1) CH503082A (en)
DE (1) DE1933063A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040172B1 (en) * 1980-04-30 1984-06-20 Ciba-Geigy Ag Azo dyestuffs, methods for their preparation and their use as colouring agents in photographic materials in the silver dyestuff bleaching process, and the said photographic materials containing these azo dyestuffs
US4453352A (en) * 1982-08-18 1984-06-12 Kaiser Aluminum & Chemical Corporation Refractory brick with expansion allowance

Also Published As

Publication number Publication date
BE737633A (en) 1970-02-02
DE1933063A1 (en) 1970-03-19

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Legal Events

Date Code Title Description
PL Patent ceased