Patents Assigned to Deguss AG
  • Inhomogeneous silicas for elastomer compounds
    Patent number: 6702887
    Abstract: A silica having a high degree of dispersibility and a low dust concentration contains at least two silica fractions that differ by at least 10% in at least one value of BET or CTAB surface area or DBP absorption.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: March 9, 2004
    Assignee: Deguss AG
    Inventors: Stefan Uhrlandt, Ralf Schmoll, Anke Blume, Detlef Luginsland