Patents Assigned to Ökopharm Forschungs- und Entwicklungs-GmbH
  • Method for reducing the surface of silicon dioxide
    Patent number: 6896862
    Abstract: There is described a method for reducing the surface area of silicon dioxide, which is characterized in that silicon dioxide is introduced into an electromagnetic shielding device selected from an aluminum/magnesium metal shielding device and a hypomagnetic chamber of Permalloy steel, and is incubated for a period of at least 3 hours, preferably at least 6 hours.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: May 24, 2005
    Assignee: Ökopharm Forschungs- und Entwicklungs-GmbH
    Inventors: Vlail Petrovic Kaznacheev, Aleksander Trofimov, Eugen Bren, Michael Ehrenberger, Stefan Ritzer, Peter Kössler, Norbert Fuchs