Acid/salt separation

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United States of America Patent

PATENT NO 10508069
APP PUB NO 20180319731A1
SERIAL NO

16030415

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Abstract

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The invention provides a method for preparing a carboxylic acid, which method includes the steps of providing magnesium carboxylate, wherein the carboxylic acid corresponding with the carboxylate has a solubility in water at 20° C. of 80 g/100 g water or less; acidifying the magnesium carboxylate with HCl, thereby obtaining a solution comprising carboxylic acid and magnesium chloride (MgCl2); optionally a concentration step, wherein the solution comprising carboxylic acid and MgCl2 is concentrated; precipitating the carboxylic acid from the solution comprising the carboxylic acid and MgCl2, thereby obtaining a carboxylic acid precipitate and a MgCl2 solution.

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Patent Owner(s)

Patent OwnerAddress
PURAC BIOCHEM B V4206 AC GORINCHEM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cerdà, Baró Agustin Cerdanyola Valles, ES 2 9
De, Haan André Banier Best, NL 30 63
Jansen, Peter Paul Oss, NL 15 42
Van, Breugel Jan Woudrichem, NL 27 97
Van, Der Weide Paulus Loduvicus Johannes Breda, NL 8 30
Vidal, Lancis José Maria Vilassar de Mar, ES 4 4

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