BERK

Class [001]
Chemical additives for cement; chemical additives for mortars; additives for use with the mixing of cement; chemicals that are additives for cement; chemical additives used to accelerate the hardening of concrete; chemical additives for polymers; chemical additives for use in repairing masonry; chemical additives for use in concrete repair; chemical additive binders for use in concrete; chemical additives for use in binders for masonry; air void formers that are concrete additives; air void formers that are additives for mortar; additives for water flotation; chemical additives for use in disinfecting water; chemical additives for use in clean water; chemicals for use in the treatment of pulp; auxiliary fluids for use with paper additives; polyethyleneimine for use as additives in papermaking; chemical additives for the production of metalworking fluids; chemicals for use in metal casting; chemical additives for use in metal casting; chemical additives for drilling mud; Additives for use in waterproofing soil