Binding chemicals for concrete; Chemical additives for concrete; Chemical additives for use with concrete; Chemical compositions for curing concrete; Chemical compositions for hardening concrete; Chemical compositions for reinforcing concrete; Chemical preparations for the treatment of concrete; Chemical products for use as additives to concrete; Coatings to protect concrete from water (other than building materials, paints or oils); Compositions for accelerating the setting of concrete; Compositions for dust proofing concrete; Compositions for preserving concrete (except paints or oils); Concrete curing agents; Concrete hardening compounds; Products for protecting concrete (chemicals); Products for sealing concrete (other than paints and oils); Cement waterproofing preparations (other than paint); Cement-waterproofing preparations, except paints; Chemical preparations for waterproofing masonry; Waterproof coatings (chemical, other than paints); Waterproofing compounds (other than paint); Waterproofing preparations (chemical)