Patents Assigned to H. C. Stack GmbH & Co. KG
  • Patent number: 6183621
    Abstract: The present invention relates to processes for the production of cobalt(II) carbonates corresponding to the general formula Co[(OH)2]a[CO3]1−a, cobalt(II) carbonates and cobalt(II) oxalate carbonates obtainable by the process and the use thereof.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: February 6, 2001
    Assignee: H. C. Stack GmbH & Co. KG
    Inventors: Astrid Görge, Juliane Messe-Marktscheffel, Dirk Naumann, Armin Olbrich, Frank Schrumpf