Chemicals used in industry and science; carbon materials, namely, natural graphite, carbon, carbon graphite for industrial purposes, electrographite in the nature of graphite for industrial purposes, metal graphite for industrial purposes; artificial resin-bonded graphite for industrial purposes; graphite substrates for industrial use; graphite for industrial purposes; silicon carbide and graphite composite materials for industrial purposes; silicon carbide for use as a raw material in the manufacture of other goods; silicon dioxide; aluminum oxide; tantalum carbide; wolfram carbide; metal carbide materials; ceramics, namely, technical ceramics in the solid state used in manufacturing of tools and process chamber equipment parts for use in the semiconductor industry, the LED market and the solar industry; chemicals used in the manufacture of semiconductor chips; chemicals for use in the semiconductor industry in the manufacture of semiconductor chips; all of the aforementioned goods also being in the form of composite materials in combination with metals, non-metals, salts and plastics included in this class, namely, chemicals used in industry and science; all of the aforementioned goods also being impregnated with metals, non-metals, salts and plastics included in this class, namely, chemicals used in industry and science; all aforementioned goods also being coated with a ceramic coating, namely, silicon carbide and pyrolytic carbon for industrial purposes

Parts for magnetic data carriers, chips, namely, integrated circuits and data processing equipment; silicon slices in the nature of silicon chips and silicon wafers for integrated circuits; parts and fittings of semiconductors for use in the production and processing of materials and parts consisting of high purity substances, namely, for semiconductor technology, computer technology, solar technology in the nature of silicon chips; semiconductor wafer carriers with coating of silicon carbide, namely, in each case graphitic forms or carbon not included in other classes, namely, silicon wafers; products of graphite and carbon fibre reinforced carbon for semiconductor applications and solar applications, namely, graphite electrodes for reactors in chemical vapor deposition (CVD) and production equipment, namely, laboratory electric heaters for single crystal growing process, graphite funnels for crystal growing process, graphite crucibles, carbon fibre reinforced carbon crucibles; susceptors made of graphite, carbon fibre reinforced carbon or graphite felt material for epitaxy and metal organic chemical vapour deposition reactors; carriers for wafers, namely, semiconductor wafers; silicon carbide coated parts for polysilicon production and single crystal growing, namely, production equipment in the nature of crucibles for laboratory use used with heaters, boats for metal organic chemical vapour deposition process, epitaxy process or plasma enhanced chemical vapour deposition systems; plates as parts of crucibles for use in hot zones as base, bottom or side plates; anodes having a plate shape for use in electrolysis; anodes having a rod shape for use in electrolysis; susceptors, namely, susceptors for microelectronic applications, silicon wafer carriers for microelectronic applications and electrodes made of tantalum carbide, wolfram carbide or other metal carbide material; all of the aforementioned goods also being semi-finished products; all of the aforementioned goods also being impregnated, reinforced and with protective surface coatings in whole or in part

Repair and maintenance services of ceramic coated silicon and silicon carbide products, quartz glass products and graphite products for the semiconductor industry, the LED market and the solar industry; repair and maintenance services of heat treatment ovens; installation of oven insulation services