AT64089B - Process for producing real gray tones in fabric printing. - Google Patents

Process for producing real gray tones in fabric printing.

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Publication number
AT64089B
AT64089B AT64089DA AT64089B AT 64089 B AT64089 B AT 64089B AT 64089D A AT64089D A AT 64089DA AT 64089 B AT64089 B AT 64089B
Authority
AT
Austria
Prior art keywords
gray tones
fabric printing
derivatives
real gray
producing real
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 AT64089B publication Critical patent/AT64089B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Erzeugung echter grauer Töne im Zeugdruck. 



   Es wurde gefunden, dass die indigoiden Farbstoffe. die man z.   H.   durch Einwirkung von reaktionsfähigen a-Derivaten des Isatins und seiner Abkömmlinge und Analogen mit   'x-Naphtol, x-Anthrol   und ihren Derivaten erhält (vgl. z. B. die Patentschriften Nr. 51853, Nr. 53220 und die deutsche Patentschrift   Nr.   237199), wertvelle. wasch- und chlorechte Grautöne liefern, wenn man sie in Gegenwart von Chromverbindungen aufdruckt und die Drucke durch Dämpfen   fixiert.   



    Beispiel.   



     150y des   Farbstoffs aus Dibromisatin und   &alpha;-Anthol   (deutsche Patentschrift Nr. 237199). 
 EMI1.1 
 



   100 g   essigsaures   Chrom 20% Bé,
150 g Wasser. 



   Die aus diesen Mengen hergestellte Paste   word.   aufgedruckt, eine Stunde gedämpft und gewaschen. 



   Wendet man an   Stade   des Farbstoffs aus   Ihhromisatin   und    < x-Anthrol   andere der oben genannten Farbstoffe an, so erhält man Grautöne, die in ihren Nuancen etwas voneinander verschieden sind. So liefert der Farbstoff aus   Dibromisatin # Brom-&alpha;-naphtol     (deutsche Patentschrift Nr.   237199) eine etwas rötere Nuance. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Process for producing real gray tones in fabric printing.



   It was found that the indigoid dyes. which one z. H. obtained through the action of reactive a-derivatives of isatin and its derivatives and analogues with 'x-naphtol, x-anthrol and their derivatives (cf., for example, patents No. 51853, No. 53220 and German patent No. . 237199), Wertvelle. Washable and chlorine-fast gray tones are produced when they are printed in the presence of chromium compounds and the prints are fixed by steaming.



    Example.



     150y of the dye from dibromoisatin and? -Anthol (German Patent No. 237199).
 EMI1.1
 



   100 g of acetic acid chromium 20% Bé,
150 g of water.



   The paste made from these quantities was used. printed on, steamed and washed for an hour.



   If one applies other of the above-mentioned dyes to the stade of the ihhromisatin and <x -anthrol dyes, one obtains gray tones which are somewhat different from one another in their nuances. For example, the dye from dibromoisatin # bromo-α-naphtol (German Patent No. 237199) gives a somewhat redder shade.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

PATENT-ANSPRUCH : Verfahren zur Erzeugung echter grauer Töne im Zeugdruck, dadurch gekennzeichnet, dass man die aus reaktionsfähigen x-Isatinderivaten. ihren Abkömmlingen und Analogen einerseits und x-Naphtol, x-Anthrol und ihren Derivaten andererseits erhältlichen indigoiden Farbstoffe zusammen mit C'hromverlJ1ndungen aufdruckt und die so erhältlichen Drucke durch Dämpfen fixiert. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Process for the production of real gray tones in fabric printing, characterized in that one consists of reactive x-isatin derivatives. their derivatives and analogues on the one hand and x-naphthol, x-anthrol and their derivatives on the other hand, prints indigoid dyes together with chromium compounds and fixes the prints thus obtainable by steaming. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT64089D 1912-02-05 1913-01-31 Process for producing real gray tones in fabric printing. AT64089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE64089X 1912-02-05

Publications (1)

Publication Number Publication Date
AT64089B true AT64089B (en) 1914-03-26

Family

ID=5632329

Family Applications (1)

Application Number Title Priority Date Filing Date
AT64089D AT64089B (en) 1912-02-05 1913-01-31 Process for producing real gray tones in fabric printing.

Country Status (1)

Country Link
AT (1) AT64089B (en)

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