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Application filed by Englert Fa R, F Becker DrfiledCriticalEnglert Fa R
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Publication of AT29202BpublicationCriticalpatent/AT29202B/en
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Das Problem der restlosen Umsetzung von Bisulfit ill A) dohydsulfoxy ! ato wurde atso gelöst, u. zw. auf so einfache Weise, dass die eminent reduzierende Kraft des Formaldehyd-
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Färberei, Zucker- und Leimfabrikation, Gerbstofferzeugung usw., welche infolge des hohen Preises des Formaldehydsulfoxylatos bisher darauf verzichten mussten.
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The problem of complete conversion of bisulfite ill A) dohydsulfoxy! ato was solved atso, u. in such a simple way that the eminently reducing power of formaldehyde
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Dyeing, sugar and glue production, tannin production, etc., which had to do without due to the high price of formaldehyde sulfoxylato.
Claims (1)
PATENT-ANSPRUCH :
Verfahren zur Herstellung von hochprozentigen bis reinen Atdehydsulfoxylsäure- verbindungen, dadurch gekennzeichnet, dass man metallische Reduktionsmittel, wie Zinkstaub und gesättigte Aldehyde und Bisulfite bei Siedetemperatur aufeinander einwirken lässt.
PATENT CLAIM:
Process for the production of high percentage to pure atdehyde sulfoxylic acid compounds, characterized in that metallic reducing agents, such as zinc dust and saturated aldehydes and bisulfites, are allowed to act on one another at the boiling point.
AT29202D1905-02-141905-02-14
Process for the preparation of pure double compounds of sulfoxylic acid salts with aldehydes.
AT29202B
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