Chemicals used in industry; salts for industrial purposes; chemical cleaning agents for use in industrial processes; chemicals for use in chromatography; chemicals release agents; chemicals for use in the refining of hydrocarbons; chemical substances for the removal of impurities from gases; chemical cleaning agents for use in industrial manufacturing processes; chemical agents for purifying gases; chemical substances, chemical materials and chemical preparations, as well as natural elements; industrial chemical preparations; chemical products for the manufacture of catalysts; catalysts; biochemical and chemical catalysts; chemical catalysts for use in synthesis and olefin purification; cracking catalysts for use in the petroleum industry; catalysts for cracking hydrocarbons; catalyst carriers made of inorganic oxides; catalysts for use in control of limit hydrocarbon emissions; catalysts for use in industrial processes; chemical adsorbents; chemical adsorbents for the removal of catalyst poisons; catalysts for use in the refining of hydrocarbons; Oxides; metal oxides; modified metal oxides for industrial use; aluminium oxides (aluminium oxide); aluminium oxides (aluminium oxide) for the adsorption of catalyst poisons; modified alumina for the adsorption of catalyst poisons; aluminium salts; chemical adsorbents for the removal of catalyst poisons from hydrocarbons; chemical adsorbents for the removal of catalyst poisons from a hydrocarbon stream; chemical adsorbents for the removal of catalyst poisons from a heavy oil stream; chemical adsorbents for the removal of catalyst poisons from refinery process streams;gas purifying preparations; catalyst for producing synthetic materials, rubber and polymers; catalysts for petroleum processing industry; petroleum dispersants; catalysts for use in the manufacture of rubber; catalysts for oxidation treatment; catalysts for use in the manufacture of plastics; adsorbents; active chemical ingedients; oxidizing agents; metal oxide powders for industrial purposes; nonmetal oxides; synthetic materials for absorbing oil; detergent additives to gasoline; chemical additives for oils; chemical additives for gasoline