CH296246A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number: CH296246A
Authority: CH; Switzerland
Prior art keywords: preparation; azo dye; azo; dye
Prior art date: 1943-04-17

Application number

Other languages

German (de)

Inventor

Farbwerke Hoechst Akt Bruening

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.)

1943-04-17

Filing date

1944-03-21

Publication date

1954-01-31

1944-03-21 Application filed by Hoechst Ag filed Critical Hoechst Ag

1954-01-31 Publication of CH296246A publication Critical patent/CH296246A/en

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
- C09B33/08—Disazo dyes in which the coupling component is a hydroxy-amino compound
- C09B33/10—Disazo dyes in which the coupling component is a hydroxy-amino compound in which the coupling component is an amino naphthol
- 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
- C09B35/50—Tetrazo dyes
- C09B35/60—Tetrazo dyes of the type

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Coloring (AREA)

CH296246D 1943-04-17 1944-03-21 Process for the preparation of an azo dye. CH296246A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE238692X		1943-04-17

Publications (1)

Publication Number	Publication Date
CH296246A true CH296246A (en)	1954-01-31

Family

ID=5903628

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
CH296246D CH296246A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.
CH296247D CH296247A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.
CH296245D CH296245A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.
CH238692D CH238692A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
CH296247D CH296247A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.
CH296245D CH296245A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.
CH238692D CH238692A (en)	1943-04-17	1944-03-21	Process for the preparation of an azo dye.

Country Status (1)

Country	Link
CH (4)	CH296246A (en)

1944
- 1944-03-21 CH CH296246D patent/CH296246A/en unknown
- 1944-03-21 CH CH296247D patent/CH296247A/en unknown
- 1944-03-21 CH CH296245D patent/CH296245A/en unknown
- 1944-03-21 CH CH238692D patent/CH238692A/en unknown

Also Published As

Publication number	Publication date
CH296245A (en)	1954-01-31
CH296247A (en)	1954-01-31
CH238692A (en)	1945-08-15

Similar Documents

Publication	Publication Date	Title
CH236586A (en)	1945-02-28	Process for the preparation of a stilbene dye.
CH235865A (en)	1944-12-31	Process for the preparation of an aminoarylcarbinol.
CH252020A (en)	1947-11-30	Process for the preparation of a p-amino-benzenesulfonamido-pyrimidine.
CH248479A (en)	1947-05-15	Process for the preparation of aniline-N-d-riboside.
CH296245A (en)	1954-01-31	Process for the preparation of an azo dye.
CH245989A (en)	1946-12-15	Process for the preparation of an azo dye.
CH241207A (en)	1946-02-28	Process for the preparation of an azo dye.
CH239335A (en)	1945-09-30	Process for the preparation of an azo dye.
CH242160A (en)	1946-04-30	Process for the preparation of an azo dye.
CH236693A (en)	1945-02-28	Process for the preparation of a water-soluble azo dye.
CH236694A (en)	1945-02-28	Process for the preparation of a water-soluble azo dye.
CH236708A (en)	1945-02-28	Process for the preparation of a substituted thiazolecarboxamide.
CH240797A (en)	1946-01-31	Process for the preparation of a trisazo dye.
CH241150A (en)	1946-02-15	Process for the preparation of a new monoazo dye.
CH248477A (en)	1947-05-15	Process for the preparation of a sulfanilamide derivative.
CH296669A (en)	1954-02-28	Process for the production of an acidic wool dye.
CH231185A (en)	1944-02-29	Process for the preparation of a monoazo dye.
AT167284B (en)	1950-12-11	Process for the preparation of disazo dyes
CH241209A (en)	1946-02-28	Process for the preparation of a new anthraquinone dye.
CH241208A (en)	1946-02-28	Process for the production of a vat dye.
CH236587A (en)	1945-02-28	Process for the preparation of a tetrakisazo dye.
CH231894A (en)	1944-04-30	Process for the preparation of a phthalocyanine dye.
CH236764A (en)	1945-03-15	Process for the production of a new azo dye.
AT168055B (en)	1951-04-10	Process for the preparation of thioindigoid dyes
CH236683A (en)	1945-02-28	Process for making a vat dye intermediate.