AT19122B - Process for the production of real black dyeings on the wool fiber using azo dyes. - Google Patents

Process for the production of real black dyeings on the wool fiber using azo dyes.

Info

Publication number
AT19122B
AT19122B AT19122DA AT19122B AT 19122 B AT19122 B AT 19122B AT 19122D A AT19122D A AT 19122DA AT 19122 B AT19122 B AT 19122B
Authority
AT
Austria
Prior art keywords
production
azo dyes
wool fiber
real black
black dyeings
Prior art date
Application number
Other languages
German (de)
Original Assignee
Farbenfab Vorm Bayer F & Co
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 Farbenfab Vorm Bayer F & Co filed Critical Farbenfab Vorm Bayer F & Co
Application granted granted Critical
Publication of AT19122B publication Critical patent/AT19122B/en

Links

Landscapes

  • Coloring (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 
 EMI1.3 




   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 
 EMI1.3

Claims (1)

EMI2.1 Verfahren zur Herstellung echter schwarzer Färbungen auf der Wollfaser mittelst Azofarbstoffen aus den Sulfosäuren oder Karbonsäuren des o-Amidophenols, der M-Amidop-oxybenzylsulfosäure oder den Derivaten dieser Körper einerseits und 1 : 5,1 : 7,2 : 6-Dioxynaphthalin, 1 : 7-Amidonaphthol oder deren Monosulfosäuren andererseits, dadurch gekennzeichnet, dass die Färbungen dieser o-Oxymonoazofarbsto1fe mit Chromsäure oder chromsaurèn Salzen mit oder ohne Zusatz einer Säure nachbehandelt werden. EMI2.1 Process for the production of real black dyeings on the wool fiber using azo dyes from the sulfonic acids or carboxylic acids of o-amidophenol, M-amidop-oxybenzylsulfonic acid or the derivatives of these substances on the one hand and 1: 5.1: 7.2: 6-dioxynaphthalene, 1: 7-amidonaphthol or their monosulfonic acids, on the other hand, characterized in that the colorations of these o-oxymonoazo dyes are aftertreated with chromic acid or chromic acid salts with or without the addition of an acid.
AT19122D 1902-08-29 1902-08-29 Process for the production of real black dyeings on the wool fiber using azo dyes. AT19122B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT19122T 1902-08-29

Publications (1)

Publication Number Publication Date
AT19122B true AT19122B (en) 1905-02-10

Family

ID=3523698

Family Applications (1)

Application Number Title Priority Date Filing Date
AT19122D AT19122B (en) 1902-08-29 1902-08-29 Process for the production of real black dyeings on the wool fiber using azo dyes.

Country Status (1)

Country Link
AT (1) AT19122B (en)

Similar Documents

Publication Publication Date Title
AT19122B (en) Process for the production of real black dyeings on the wool fiber using azo dyes.
AT28707B (en) Process for the preparation of o-oxyazo dyes from 1,5-amidonaphtol.
AT51209B (en) Process for the preparation of stain-coloring monoazo dyes.
AT29880B (en) Process for the preparation of azo dyes.
AT56178B (en) Process for the production of azo dyes.
AT47154B (en) Process for the preparation of yellow disazo dyes for wool.
AT47524B (en) Process for the preparation of an azimide dye.
AT58406B (en) Process for the representation of etchable azo dyes on the fiber.
AT37312B (en) Process for increasing the washing and water fastness of substantial dyeings on vegetable fibers.
AT43583B (en) Process for the preparation of a monoazo dye.
AT46871B (en) Process for dyeing and printing using reduction products of oxyanthraquinones.
AT22661B (en) Process for the preparation of yellow disazo dyes for wool.
AT8973B (en) Process for the aftertreatment of colorations of direct coloring sulfur dyes.
AT47528B (en) Process for the preparation of yellow water-insoluble monoazo dyes.
AT48905B (en) Process for the preparation of yellow wool dyes.
AT27873B (en) Process for the representation of red colored lakes.
AT126582B (en) Process for the preparation of water-insoluble azo dyes.
AT49191B (en) Process for the preparation of azo dyes.
AT52028B (en) Process for producing etchable dyeings on cotton.
AT35263B (en) Process for dyeing vegetable fibers with sulfur dyes.
AT19735B (en) Process for the preparation of iron-colored monoazo dyes.
AT72640B (en) Process for the preparation of mordant dyes.
AT20404B (en) Process for the production of lightfast colored lacquers.
AT49190B (en) Process for the preparation of acidic wool dyes.
AT44468B (en) Process for the preparation of red monoazo dyes which are particularly suitable for the production of color lakes.