Patents Assigned to EBG Gesellschaft für Elektromagnetische Werkstoffe mbH
  • Process for the coating of electrical steel strips with an annealing separator
    Patent number: 6423156
    Abstract: The invention relates to a process for the coating of electric steel strips with an oxide powder as annealing separator by the application of an aqueous solution which contains mainly MgO and also at least one additive, including a chlorine-containing compound. The characterizing feature of the invention is that the additive added to the aqueous solution is ammonium chloride (NH4Cl or NH4Cl.nH2O).
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: July 23, 2002
    Assignee: EBG Gesellschaft für Elektromagnetische Werkstoffe mbH
    Inventors: Klaus Günther, Heiner Schrapers