CONCRETE ADDITIVES FOR IMPROVING THE WEAR AND WEATHERING RESISTANCE OF CONCRETE COMPOSITIONS IN WHICH THEY ARE CONTAINED

CATALYSTS AND CHEMICAL REAGENTS FOR OXIDATION REACTIONS

CATALYSTS FOR USE IN THE MANUFACTURE OF PHARMACEUTICALS; REAGENTS FOR SCIENTIFIC OR MEDICAL RESEARCH USE

ARTIFICIAL RESINS AND PLASTICS IN THE FORM OF POWDERS, GRANULES, LIQUIDS OR PASTES, ADHESIVE SUBSTANCES USED IN THE ELECTRICAL AND ELECTRONICS INDUSTRIES, EXCLUDING ADHESIVE SUBSTANCES FOR STATIONERY