Evonik Operations GmbH (P) vs Tokuyama Corporation (D)

modified synthetic silica for use as a filler material in the manufacture of rubber products

Class 001: Silicon dioxide; oxides; inorganic acids; silicates; inorganic salts for industrial purposes; thickening agents for use in the manufacture of inks; thickening agents for use in the manufacture of paints; chemical thickening agents for use in molding plastics; stability improving agents for use in the manufacture of industrial products; viscosity improving agents for use in the manufacture of industrial products; fillers for use in adjusting viscosity and hardening strength of sealant; rubber processing preparations; chemical intensifiers for rubber; rubber preservatives; rubber modifiers; catalysts for use in the manufacture of rubber; chemical agents; chemicals for use in the production of synthetic rubber; chemicals for use in the processing of natural rubber; industrial chemicals.