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CH281327A - Process for the production of a brown leather dye. - Google Patents

Process for the production of a brown leather dye.

Info

Publication number
CH281327A
CH281327A CH281327DA CH281327A CH 281327 A CH281327 A CH 281327A CH 281327D A CH281327D A CH 281327DA CH 281327 A CH281327 A CH 281327A
Authority
CH
Switzerland
Prior art keywords
production
leather dye
brown leather
brown
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Ag J R Geigy
Original Assignee
Ag J R 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
Application filed by Ag J R Geigy filed Critical Ag J R Geigy
Publication of CH281327A publication Critical patent/CH281327A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/50—Tetrazo dyes
    • C09B35/58—Tetrazo dyes of the type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH281327D 1949-06-28 1949-06-28 Process for the production of a brown leather dye. CH281327A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH278941T 1949-06-28
CH281327T 1949-06-28

Publications (1)

Publication Number Publication Date
CH281327A true CH281327A (en) 1952-02-29

Family

ID=25731868

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281327D CH281327A (en) 1949-06-28 1949-06-28 Process for the production of a brown leather dye.

Country Status (1)

Country Link
CH (1) CH281327A (en)

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