AT51178B - Process for producing true yellow colorations on unstained vegetable or animal fibers. - Google Patents

Process for producing true yellow colorations on unstained vegetable or animal fibers.

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Publication number
AT51178B
AT51178B AT51178DA AT51178B AT 51178 B AT51178 B AT 51178B AT 51178D A AT51178D A AT 51178DA AT 51178 B AT51178 B AT 51178B
Authority
AT
Austria
Prior art keywords
vegetable
unstained
animal fibers
true yellow
producing true
Prior art date
Application number
Other languages
German (de)
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Application granted granted Critical
Publication of AT51178B publication Critical patent/AT51178B/en

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Description

  

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Claims (1)

PATENT-ANSPRUCH: Verfahren zur Erzeugung echter gelber Färbungen auf ungeheizten pflanzlichen oder tierischen Fasern, dadurch gekennzeichnet, dass man die bei der Einwirkung von aromatischen Säurehalogeniden oder ähnlich wirkenden Substanzen auf Indigo oder dessen Homologen in Gegenwart von Kondensationsmitteln erhältlichen Kondensationsprodukte durch alkalische Reduktion in Leukoverbindungen überführt, diese auf der Faser fixiert und dann durch Oxydation den Farbstoff entwickelt. PATENT CLAIM: Process for the production of genuine yellow dyeings on unheated vegetable or animal fibers, characterized in that the condensation products obtainable in the presence of condensation agents when aromatic acid halides or similar substances act on indigo or its homologues are converted into leuco compounds by alkaline reduction, these on the The fiber is fixed and the dye is then developed through oxidation.
AT51178D 1910-12-09 1910-12-09 Process for producing true yellow colorations on unstained vegetable or animal fibers. AT51178B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT51178T 1910-12-09

Publications (1)

Publication Number Publication Date
AT51178B true AT51178B (en) 1911-12-11

Family

ID=3572110

Family Applications (1)

Application Number Title Priority Date Filing Date
AT51178D AT51178B (en) 1910-12-09 1910-12-09 Process for producing true yellow colorations on unstained vegetable or animal fibers.

Country Status (1)

Country Link
AT (1) AT51178B (en)

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