1
Chemicals used in marine and industrial applications; tempering and soldering preparations for soldering and welding; chemical products for inhibiting biological growth, scale and corrosion in refrigeration systems and heat exchanging systems such as steam boilers, condensers, evaporators and the like; chemical products for removing scale and corrosion, and for dispersing or dissolving oil and grease, sludge, dirt and carbonaceous deposits from heat exchanging systems, engines, machines, electrical apparatus, furnaces, and tanks; chemical products for removing deposits of fuels; chemical additives for aiding the combustion of fuels; chemicals and chemical compositions for use in industrial water treatment, conditioning and purification; chemical reagents for use in analytical processes; chemicals and chemical compositions for the reduction or removal of soot and like deposits; and chemicals and chemical compositions for marine and industrial use for reduction or removal of incrustations or deposits in water vessels and pipes; chemicals for removing rust, corrosion substances, oil, fat, sludge, dirt and slag residues from heat exchanging systems, engines, machines, electrical equipment, furnaces and tanks, all for use in industrial and marine applications
2
Preservatives against rust and corrosion in heat exchanging systems, engines, machines, electrical equipment, furnaces, and tanks for use in marine and industrial applications
3
Degreasing, cleaning, polishing, scouring and abrasive preparations; cleaning preparations for heat exchanging systems, engines, machines, electrical equipment, furnaces and tanks
5
Chemical products for controlling biological vegetation, eg bactericides, fungicides, algicides and slimicides
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and water treatment, conditioning and purification