Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; chemical preparations and materials in the nature of silica, silicates and silicone dioxide for use in the manufacture of a wide variety of goods; chemicals, namely, silicas, silicates and silicone dioxide for use in the cosmetic, skin care and dental industries; chemical compositions for developing plastic films; chemicals for use in the manufacture of cosmetics; chemical additives for the flow control of cosmetics; chemical additives for use in the manufacture of cosmetics; chemical compositions and materials in the nature of silica, silicone dioxide and silicates for use in the manufacture of cosmetics; chemical brighteners for optical use for industrial purposes; chemical additives for paints and surface coatings; chemicals for the manufacture of pigments; chemical additives for the flow control of coatings; chemical additives for use in the production of coatings; chemicals, namely, rheology modifiers for use in the field of coating materials; chemicals, namely, rheology modifying compositions, other than for medical use for use in the field of coating materials; chemical additives for the flow control of paper; chemical additives for the flow control of ink; chemical additives for the flow control of adhesives; silicates; colloidal silica; synthetic silica; silica gels; zinc silicate; sodium silicate; potassium silicates; calcium silicate; alumino-silicates; aluminium silicate; silicates for use in industry; silicon dioxide; fillers for manufacturing toothpastes; unprocessed artificial resins, unprocessed plastics; unprocessed and synthetic resins; biological preparations for use in industry and science; all the aforesaid products excluding catalysts, catalyst carriers and adsorbents