Gases and chemicals used in industry and science; gases, in both compressed and liquid or dissolved form, namely, industrial application gases, in particular nitrogen, oxygen, saturated and unsaturated hydrocarbons not for fuel, hydrocarbon compounds not for fuel, helium and other noble gases, hydrogen, carbon dioxide, carbon monoxide, nitrogen oxides, ammonia, halogens, halogen compounds, compounds of boron, silicon and sulphur, and special gases used in industry, and mixtures of all the aforesaid gases; solidified gases, in particular carbon dioxide being dry ice, in various preparations, namely, blocks, discs, grains, pellets for use in industry and science; cooling media, in particular refrigerant gases, for use in cooling and air-conditioning apparatus; cold and cryogenic liquid gases, in particular liquefied air gases used in industry and science; special chemicals, in particular liquid washing chemicals for gas scrubbing, solutions and solvents for gas storage, water-purifying, sterilizing and softening preparations, chemical adsorbents, zeolites and ion exchange resins, molecular sieves, catalysts for chemical reactions, chemicals in the nature of metallic and non-metallic catalysts for chemical processes; high-purity gases, including oxygen, nitrogen, helium, carbon dioxide, hydrocarbon gases not for fuel, and argon, and special high-precision gas mixtures for use with gas consuming analytical instruments, including use in calibrating analytical instruments, use in research and development laboratories and in quality control, process control, environmental monitoring, and in combustion exhaust measurements, and for use in in laboratory, pilot or production processes

Gases and gas mixtures for medical and therapeutic purposes, in particular respiratory gas, gases for anesthetic and pain-relieving purposes; gases and gas mixtures for human use, for healing and therapeutic purposes, namely, gaseous medicines; gases and fluids for improving mental state and for well-being, especially medicinal aerosols or aerosol components for human use; disinfectants and preparations for destroying vermin and weeds, the latter in particular also for use in agriculture and the food industry