CH296247A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number: CH296247A
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 CH296247A publication Critical patent/CH296247A/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)

CH296247D 1943-04-17 1944-03-21 Process for the preparation of an azo dye. CH296247A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
CH296247A true CH296247A (en)	1954-01-31

Family

ID=5903628

Family Applications (4)

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

Family Applications Before (3)

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

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

Also Published As

Publication number	Publication date
CH238692A (en)	1945-08-15
CH296246A (en)	1954-01-31
CH296245A (en)	1954-01-31

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