METHODS FOR PURIFYING ALUMINIUM IONS

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United States of America Patent

SERIAL NO

15516588

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Abstract

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There is provided a process for purifying aluminum ions comprising: reacting an aluminum-containing material with an acid so as to obtain a composition comprising aluminum ions; precipitating said aluminum ions in the form of AlCl3; optionally converting AlCl3 into Al(OH)3; and heating said AlCl3 or said Al(OH)3 under conditions effective for converting AlCl3 or Al(OH)3 into Al2O3 and optionally recovering gaseous HCl so-produced. Aluminum ions so purified are thus useful for preparing various types of alumina.

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Patent Owner(s)

Patent OwnerAddress
ORBITE TECHNOLOGIES INC6505 TRANSCANADIENNE BUREAU 610 ST-LAURENT H4T 1S3

International Classification(s)

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  • 2015 Application Filing Year
  • C01B Class
  • 1749 Applications Filed
  • 1349 Patents Issued To-Date
  • 77.13 % Issued To-Date

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BOUDREAULT, Richard St-Laurent, CA 34 373
BOUFFARD, Jonathan Montréal, CA 4 8
DUMONT, Hubert Laval, CA 8 67
FOURNIER, Joël Carignan, CA 28 145
GRAVEL-ROULEAU, Claudia Québec, CA 2 8
HUARD, Ann-Christine Fossambault-Sur-Le-Lac, CA 2 8
LABRECQUE-GILBERT, Marie-Maxime Laval, CA 12 111
LEPAGE, Sophie Sainte-Anne-Des-Monts, CA 3 9
SAMUEL, Jean-François Verdun, CA 4 88

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1804174411421201 - 1011 - 2021 - 3031 - 4041 - 5071 - 80100 +0255075100125150175200225250275300325350375400425450

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