Patents Assigned to Otkrytoe Aktsionernoe Obschestvo “Chelyabinsky Tsinkovy Zavod”
  • Method for producing indium powder
    Patent number: 7166143
    Abstract: The invention relates to non-ferrous metallurgy and may be used for zinc and indium containing materials processing resulting in fine indium powder production by converting indium into a salt compound and subsequent treatment of the latter with a water solution in two stages using a water re-distillate and an acetic acid solution.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: January 23, 2007
    Assignee: Otkrytoe Aktsionernoe Obschestvo “Chelyabinsky Tsinkovy Zavod”
    Inventors: Vsevolod Vladimirovich Geixman, Leonid Aleksandrovich Kazanbaev, Pavel Aleksandrovich Kozlov, Aleksandr Vasilievich Kolesnikov, Vladimir Leonidovich Kubasov, Sergei Anatolevich Zagrebin