AT36807B - Process for the production of long-lasting concentrated indigo white preparations especially suitable for the fermentation vat. - Google Patents

Process for the production of long-lasting concentrated indigo white preparations especially suitable for the fermentation vat.

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Publication number
AT36807B
AT36807B AT36807DA AT36807B AT 36807 B AT36807 B AT 36807B AT 36807D A AT36807D A AT 36807DA AT 36807 B AT36807 B AT 36807B
Authority
AT
Austria
Prior art keywords
lasting
production
long
especially suitable
fermentation vat
Prior art date
Application number
Other languages
German (de)
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.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AT36807B publication Critical patent/AT36807B/en

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Description

  

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   nötig ist. Immerhin schadet der Zusatz z. 3. kleiner Mengen von fluorwasserstoffsauren Salzen oder von Säuren z. B. Ameisensäure oder von kleinen Mengen Alkali-oder Erdalkalihydraten nichts und empfiehlt sich bei dünneren Pasten sogar.Alle die so erhaltenen Präparate zeigen neben leichter An wendungsfähigkeit eine auffallende   relativeLuftbeständigkeit. 



    Beispiel I : 1000 Teile elektrolytisch oder auf irgend welchem chemischen Wege hergestelltes und bei ca. 200 Atmosphären hydraulisch gepresstes Indigweiss (ca. 75% Trockengehalt)   
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 wendbar. 



     Beispiel II   : Man verfährt wie in Beispiel I. unter Ersatz des hydraulisch   gepressten   Indigweisses durch Indigweisspaste und unter Ersatz der Melasse z. B. durch Glucose und ver-   mengt   beides innig mit einander. Sodann wird im Vakuum zur Sirupkonsistenz, gegebenenfalls noch weiter eingedampft, sodass man nach dem Erkalten ein teigiges oder festes Produkt erhält. 
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 indigos, insbesondere o-Tolylindigo oder z. B. aus den Halogenderivaten des Indigos und seiner   Homologen.   



   Anstelle der Melasse können auch Sirup oder, wenn auch weniger vorteilhaft, andere ähnliche, sirupbildende, leichtlösliche Mono- oder disaccharide, wie Glukose, Maltose, verwandt werden. 



   Die vorstehend beschriebenen Produkte sind selbstverständlich auch in den chemischen Küpen verwendbar.   P A'l'EN'I'-ASPRUCH :   
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



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   is necessary. After all, the addition of z. 3. small amounts of hydrofluoric acid salts or of acids z. B. formic acid or small amounts of alkali or alkaline earth metal hydrates and is even recommended for thinner pastes. All the preparations obtained in this way show, in addition to ease of use, a striking relative air resistance.



    Example I: 1000 parts electrolytically or any chemical way produced and hydraulically pressed at approx. 200 atmospheres indig white (approx. 75% dry matter)
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 reversible.



     Example II: The procedure is as in Example I, replacing the hydraulically pressed indig white paste with indig white paste and replacing the molasses z. B. by glucose and mixes both intimately with each other. It is then evaporated to a syrup consistency in a vacuum, if necessary even further, so that a doughy or solid product is obtained after cooling.
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 indigos, especially o-tolylindigo or z. B. from the halogen derivatives of indigo and its homologues.



   Instead of molasses, syrup or, albeit less advantageously, other similar, syrup-forming, easily soluble mono- or disaccharides, such as glucose, maltose, can be used.



   The products described above can of course also be used in the chemical vats. P A'l'EN'I 'ASPECT:
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** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT36807D 1905-04-07 1905-04-07 Process for the production of long-lasting concentrated indigo white preparations especially suitable for the fermentation vat. AT36807B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT36807T 1905-04-07

Publications (1)

Publication Number Publication Date
AT36807B true AT36807B (en) 1909-04-10

Family

ID=3553891

Family Applications (1)

Application Number Title Priority Date Filing Date
AT36807D AT36807B (en) 1905-04-07 1905-04-07 Process for the production of long-lasting concentrated indigo white preparations especially suitable for the fermentation vat.

Country Status (1)

Country Link
AT (1) AT36807B (en)

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