CHEMISTRY

C01      INORGANIC CHEMISTRY

C02      TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

C03      GLASS; MINERAL OR SLAG WOOL

C04      CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES [4]

C05      FERTILISERS; MANUFACTURE THEREOF [4]

C06      EXPLOSIVES; MATCHES

C07      ORGANIC CHEMISTRY [2]

C08      ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED    THEREON

C09      DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR;      APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR

C10      PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS;     PEAT

C11      ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS;   CANDLES

C12      BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING

C13      SUGAR INDUSTRY [4]

C14      SKINS; HIDES; PELTS OR LEATHER

METALLURGY

C21      METALLURGY OF IRON

C22      METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

C23      COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT;     DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION   IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL   OR INCRUSTATION IN GENERAL [2]

C25      ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR [4]

C30      CRYSTAL GROWTH [3]

  COMBINATORIAL TECHNOLOGY [2006.01]

C40      COMBINATORIAL TECHNOLOGY [2006.01]