75638891
Feb 10, 1999
Dec 12, 2000
Active Trademark
Silicon dioxide precipitated from smoke from electric smelting furnaces producing silicon metal or silicon alloys and chemicals containing the same for use in the manufacture of cement, concrete, mortar, grout, plastics, paint, fertilizer, artificial and synthetic resins, bricks, adhesives, rubber, fillers for paper, ceramic materials, heat insulating materials
Chemicals