U.S. federal trademark · Serial No. 79454432
Spherical silica particles; spherical alumina particles; metallic oxides for filler; dispersions of plastics; metallic oxides; metallic oxides for industrial purposes; metal oxide powders for industrial purposes; metal oxide powders; metal oxide particles; alumina; alumina for industrial purposes; aluminum nitride; microcrystalline silica; silicon dioxide; silicon dioxide for industrial purposes; silicon dioxide in powder form; aluminum nitride-based ceramic compositions, semi-finished; aluminium oxynitride.
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