OPTEVA

Class [001]
Chemicals for industrial purposes, namely, chemicals for use in the manufacture of cement, concrete, mortar, masonry, shotcrete, or other cementitious compositions; additives and admixtures for cement and cementitious compositions and their manufacture; chemical additives and admixtures used in the production of cement and mineral compositions, including for improving the quality of the cement and mineral compositions; chemical additives and admixtures for grinding of cement, namely, cementitious materials, limestone, fly ash, granulated blast furnace slag and calcium carbonate; chemical additives for modifying one or more properties of cement, namely, cementitious materials, limestone, fly ash, granulated blast furnace slag and calcium carbonate; liquid chemical compositions which function as a grinding aid, quality improver, and pack set inhibitor for cement, and combination thereof, such as for Portland cement and Portland cement precursor materials; chemical agents used for facilitating ball mill, vertical mill, and roller-based grinding operations