CH365469A - Process for the production of azo dyes - Google Patents

Process for the production of azo dyes

Info

Publication number
CH365469A
CH365469A CH4432857A CH4432857A CH365469A CH 365469 A CH365469 A CH 365469A CH 4432857 A CH4432857 A CH 4432857A CH 4432857 A CH4432857 A CH 4432857A CH 365469 A CH365469 A CH 365469A
Authority
CH
Switzerland
Prior art keywords
production
azo dyes
azo
dyes
Prior art date
Application number
CH4432857A
Other languages
German (de)
Inventor
Hans Dr Gaertner
Henri Dr Streiff
Original Assignee
Ciba Geigy
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 BE555556D priority Critical patent/BE555556A/xx
Priority to BE566122D priority patent/BE566122A/xx
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to CH4432857A priority patent/CH365469A/en
Priority to DEP1272A priority patent/DE1272475B/en
Priority to GB993058A priority patent/GB872416A/en
Publication of CH365469A publication Critical patent/CH365469A/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
    • C09B39/00—Other azo dyes prepared by diazotising and coupling
    • 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
    • C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
    • 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
    • C09B41/007—Special methods of performing the coupling reaction characterised by process features including condition or time responsive control, e.g. automatically controlled processes; Stepwise coupling
    • 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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0025—Crystal modifications; Special X-ray patterns
CH4432857A 1957-03-27 1957-03-27 Process for the production of azo dyes CH365469A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE555556D BE555556A (en) 1957-03-27
BE566122D BE566122A (en) 1957-03-27
CH4432857A CH365469A (en) 1957-03-27 1957-03-27 Process for the production of azo dyes
DEP1272A DE1272475B (en) 1957-03-27 1958-03-25 Process for the production of azo pigments
GB993058A GB872416A (en) 1957-03-27 1958-03-27 Process for the manufacture of azo dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4432857A CH365469A (en) 1957-03-27 1957-03-27 Process for the production of azo dyes

Publications (1)

Publication Number Publication Date
CH365469A true CH365469A (en) 1962-11-15

Family

ID=4515265

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4432857A CH365469A (en) 1957-03-27 1957-03-27 Process for the production of azo dyes

Country Status (4)

Country Link
BE (2) BE566122A (en)
CH (1) CH365469A (en)
DE (1) DE1272475B (en)
GB (1) GB872416A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516573B2 (en) * 1972-11-16 1980-05-02
US4251614A (en) * 1977-07-05 1981-02-17 Ricoh Company, Ltd. Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687410A (en) * 1951-12-26 1954-08-24 Du Pont Azo pigment

Also Published As

Publication number Publication date
BE566122A (en)
GB872416A (en) 1961-07-12
BE555556A (en)
DE1272475B (en) 1968-07-11

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