1 Microglass filter media for removing particulates in industrial in-plant equipment, lube systems and return line hydraulic systems; ceramic particles for use as a filtering media for filtering liquid and gases; chemical preparations in the nature of filtering materials for filtering liquid and gaseous media; ceramic particles in the nature of ceramic powders used in manufacturing; ceramic powders used in manufacturing; tungsten carbide; calcium carbide; carbides; silicon carbide for industrial purposes; ceramic materials in particulate form, for use as a filtering media in filtering liquids, waste water, oily waste water, hot gas steam and gases; filtering materials of chemical substances, namely, chemical preparations in the nature of filtering materials for filtering liquids, waste water, oily waste water, hot gas steam and gases; filtering materials of chemical substances, namely, chemical preparations in the nature of filtering materials for wastewater industry, food industry, pharmaceutical industry, chemical industry, biotechnology and gas purification; filtering materials of vegetable substances for filtering liquids, waste water, oily waste water, hot gas steam and gases; filtering materials of vegetable substances for wastewater industry, food industry, pharmaceutical industry, chemical industry, biotechnology and gas purification; filtering materials of unprocessed plastics for filtering liquids, waste water, oily waste water, hot gas steam and gases; filtering materials of mineral substances for filtering liquids, waste water, oily waste water, hot gas steam and gases; unprocessed plastics for industrial use; chemicals for use in industry and science; chemical preparations for use in industry; waste water treatment chemicals for industrial use; chemical products for industrial purposes, namely chemical agents for the production of technical ceramics, ceramic materials, mixed ceramics, fiber-reinforced ceramic materials, all of these materials based in particular on silicon carbide, titanium carbide, tungsten carbide, silicon nitride, boron carbide, titanium diboride, zirconium dioxide; aluminum oxide and mixed oxides