Patents by Inventor Tanja Ðekic Živkovic

Tanja Ðekic Živkovic has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Carboxylic acid recovery from magnesium carboxylate mixture
    Patent number: 9422217
    Abstract: The invention is directed to a method for recovering carboyxlic acid from an magnesium carboxylate containing aqueous mixture, including the steps of: contacting the aqueous mixture with an acidic ion exchanger, thereby forming a carboxylic acid mixture and an ion exchanger loaded with magnesium ions; contacting the ion exchanger loaded with magnesium ions with a hydrochloric acid solution, thereby forming a magnesium chloride solution; and thermally decomposing the magnesium chloride solution at a temperature of at least 300° C., thereby forming magnesium oxide (MgO) and hydrogen chloride (HCl).
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: August 23, 2016
    Assignee: PURAC BIOCHEM BV
    Inventors: Adriaan Dirk Kon, André Banier De Haan, Paulus Loduvicus Johannes Van Der Weide, Tanja Ðekic Živkovic, Lucien Henri Leander Jozef De Koninck